Home / 90,565.35-124,980.65-56,593.59

Finding the Fourth Proportional to 90,565.35, 124,980.65 and 56,593.59

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Solution

The fourth proportional to 90,565.35, 124,980.65 and 56,593.59 is: 78,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,565.35 : 124,980.65 = 56,593.59 : x
  2. Step 2: Convert to fraction form
    90,565.35/124,980.65 = 56,593.59/x
  3. Step 3: Cross multiply
    90,565.35x = 124,980.65 × 56,593.59
  4. Step 4: Simplify right side
    90,565.35x = 7,073,103,381.07
  5. Step 5: Solve for x
    x = 7,073,103,381.07/90,565.35
  6. Step 6: Final answer
    x = 78,099.44

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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.