Home / 94,079.28-129,830.94-51,641.76

Finding the Fourth Proportional to 94,079.28, 129,830.94 and 51,641.76

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Solution

The fourth proportional to 94,079.28, 129,830.94 and 51,641.76 is: 71,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,079.28 : 129,830.94 = 51,641.76 : x
  2. Step 2: Convert to fraction form
    94,079.28/129,830.94 = 51,641.76/x
  3. Step 3: Cross multiply
    94,079.28x = 129,830.94 × 51,641.76
  4. Step 4: Simplify right side
    94,079.28x = 6,704,698,244.05
  5. Step 5: Solve for x
    x = 6,704,698,244.05/94,079.28
  6. Step 6: Final answer
    x = 71,266.47

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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.