Home / 94,111.62-129,874.29-51,672.90

Finding the Fourth Proportional to 94,111.62, 129,874.29 and 51,672.90

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Solution

The fourth proportional to 94,111.62, 129,874.29 and 51,672.90 is: 71,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,111.62 : 129,874.29 = 51,672.90 : x
  2. Step 2: Convert to fraction form
    94,111.62/129,874.29 = 51,672.90/x
  3. Step 3: Cross multiply
    94,111.62x = 129,874.29 × 51,672.90
  4. Step 4: Simplify right side
    94,111.62x = 6,710,981,199.74
  5. Step 5: Solve for x
    x = 6,710,981,199.74/94,111.62
  6. Step 6: Final answer
    x = 71,308.74

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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.