Home / 94,115.26-129,830.07-76,230.46

Finding the Fourth Proportional to 94,115.26, 129,830.07 and 76,230.46

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Solution

The fourth proportional to 94,115.26, 129,830.07 and 76,230.46 is: 105,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,115.26 : 129,830.07 = 76,230.46 : x
  2. Step 2: Convert to fraction form
    94,115.26/129,830.07 = 76,230.46/x
  3. Step 3: Cross multiply
    94,115.26x = 129,830.07 × 76,230.46
  4. Step 4: Simplify right side
    94,115.26x = 9,897,005,957.93
  5. Step 5: Solve for x
    x = 9,897,005,957.93/94,115.26
  6. Step 6: Final answer
    x = 105,158.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.