Home / 94,017.88-129,632.70-86,086.36

Finding the Fourth Proportional to 94,017.88, 129,632.70 and 86,086.36

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Solution

The fourth proportional to 94,017.88, 129,632.70 and 86,086.36 is: 118,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,017.88 : 129,632.70 = 86,086.36 : x
  2. Step 2: Convert to fraction form
    94,017.88/129,632.70 = 86,086.36/x
  3. Step 3: Cross multiply
    94,017.88x = 129,632.70 × 86,086.36
  4. Step 4: Simplify right side
    94,017.88x = 11,159,607,279.97
  5. Step 5: Solve for x
    x = 11,159,607,279.97/94,017.88
  6. Step 6: Final answer
    x = 118,696.65

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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.