Home / 94,145.23-129,920.27-51,703.76

Finding the Fourth Proportional to 94,145.23, 129,920.27 and 51,703.76

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Solution

The fourth proportional to 94,145.23, 129,920.27 and 51,703.76 is: 71,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,145.23 : 129,920.27 = 51,703.76 : x
  2. Step 2: Convert to fraction form
    94,145.23/129,920.27 = 51,703.76/x
  3. Step 3: Cross multiply
    94,145.23x = 129,920.27 × 51,703.76
  4. Step 4: Simplify right side
    94,145.23x = 6,717,366,459.22
  5. Step 5: Solve for x
    x = 6,717,366,459.22/94,145.23
  6. Step 6: Final answer
    x = 71,351.11

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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.