Home / 56,575.91-78,088.79-32,699.14

Finding the Fourth Proportional to 56,575.91, 78,088.79 and 32,699.14

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Solution

The fourth proportional to 56,575.91, 78,088.79 and 32,699.14 is: 45,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,575.91 : 78,088.79 = 32,699.14 : x
  2. Step 2: Convert to fraction form
    56,575.91/78,088.79 = 32,699.14/x
  3. Step 3: Cross multiply
    56,575.91x = 78,088.79 × 32,699.14
  4. Step 4: Simplify right side
    56,575.91x = 2,553,435,722.70
  5. Step 5: Solve for x
    x = 2,553,435,722.70/56,575.91
  6. Step 6: Final answer
    x = 45,132.91

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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.