Home / 90,565.34-124,980.64-56,593.58

Finding the Fourth Proportional to 90,565.34, 124,980.64 and 56,593.58

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Solution

The fourth proportional to 90,565.34, 124,980.64 and 56,593.58 is: 78,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,565.34 : 124,980.64 = 56,593.58 : x
  2. Step 2: Convert to fraction form
    90,565.34/124,980.64 = 56,593.58/x
  3. Step 3: Cross multiply
    90,565.34x = 124,980.64 × 56,593.58
  4. Step 4: Simplify right side
    90,565.34x = 7,073,101,848.29
  5. Step 5: Solve for x
    x = 7,073,101,848.29/90,565.34
  6. Step 6: Final answer
    x = 78,099.43

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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.