Home / 94,121.46-129,889.71-51,680.16

Finding the Fourth Proportional to 94,121.46, 129,889.71 and 51,680.16

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Solution

The fourth proportional to 94,121.46, 129,889.71 and 51,680.16 is: 71,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,121.46 : 129,889.71 = 51,680.16 : x
  2. Step 2: Convert to fraction form
    94,121.46/129,889.71 = 51,680.16/x
  3. Step 3: Cross multiply
    94,121.46x = 129,889.71 × 51,680.16
  4. Step 4: Simplify right side
    94,121.46x = 6,712,720,995.15
  5. Step 5: Solve for x
    x = 6,712,720,995.15/94,121.46
  6. Step 6: Final answer
    x = 71,319.77

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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.