Home / 94,061.16-129,805.44-51,618.78

Finding the Fourth Proportional to 94,061.16, 129,805.44 and 51,618.78

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Solution

The fourth proportional to 94,061.16, 129,805.44 and 51,618.78 is: 71,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,061.16 : 129,805.44 = 51,618.78 : x
  2. Step 2: Convert to fraction form
    94,061.16/129,805.44 = 51,618.78/x
  3. Step 3: Cross multiply
    94,061.16x = 129,805.44 × 51,618.78
  4. Step 4: Simplify right side
    94,061.16x = 6,700,398,450.16
  5. Step 5: Solve for x
    x = 6,700,398,450.16/94,061.16
  6. Step 6: Final answer
    x = 71,234.49

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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.