Home / 94,128.86-129,899.41-51,691.34

Finding the Fourth Proportional to 94,128.86, 129,899.41 and 51,691.34

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Solution

The fourth proportional to 94,128.86, 129,899.41 and 51,691.34 is: 71,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,128.86 : 129,899.41 = 51,691.34 : x
  2. Step 2: Convert to fraction form
    94,128.86/129,899.41 = 51,691.34/x
  3. Step 3: Cross multiply
    94,128.86x = 129,899.41 × 51,691.34
  4. Step 4: Simplify right side
    94,128.86x = 6,714,673,789.38
  5. Step 5: Solve for x
    x = 6,714,673,789.38/94,128.86
  6. Step 6: Final answer
    x = 71,334.91

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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.