Home / 64,116.12-88,504.94-57,389.88

Finding the Fourth Proportional to 64,116.12, 88,504.94 and 57,389.88

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Solution

The fourth proportional to 64,116.12, 88,504.94 and 57,389.88 is: 79,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116.12 : 88,504.94 = 57,389.88 : x
  2. Step 2: Convert to fraction form
    64,116.12/88,504.94 = 57,389.88/x
  3. Step 3: Cross multiply
    64,116.12x = 88,504.94 × 57,389.88
  4. Step 4: Simplify right side
    64,116.12x = 5,079,287,377.80
  5. Step 5: Solve for x
    x = 5,079,287,377.80/64,116.12
  6. Step 6: Final answer
    x = 79,220.13

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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.