Home / 89,932.87-134,785.90-45,570.79

Finding the Fourth Proportional to 89,932.87, 134,785.90 and 45,570.79

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Solution

The fourth proportional to 89,932.87, 134,785.90 and 45,570.79 is: 68,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,932.87 : 134,785.90 = 45,570.79 : x
  2. Step 2: Convert to fraction form
    89,932.87/134,785.90 = 45,570.79/x
  3. Step 3: Cross multiply
    89,932.87x = 134,785.90 × 45,570.79
  4. Step 4: Simplify right side
    89,932.87x = 6,142,299,943.86
  5. Step 5: Solve for x
    x = 6,142,299,943.86/89,932.87
  6. Step 6: Final answer
    x = 68,298.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.