Home / 89,735.28-134,454.12-54,568.56

Finding the Fourth Proportional to 89,735.28, 134,454.12 and 54,568.56

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Solution

The fourth proportional to 89,735.28, 134,454.12 and 54,568.56 is: 81,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,735.28 : 134,454.12 = 54,568.56 : x
  2. Step 2: Convert to fraction form
    89,735.28/134,454.12 = 54,568.56/x
  3. Step 3: Cross multiply
    89,735.28x = 134,454.12 × 54,568.56
  4. Step 4: Simplify right side
    89,735.28x = 7,336,967,714.47
  5. Step 5: Solve for x
    x = 7,336,967,714.47/89,735.28
  6. Step 6: Final answer
    x = 81,762.35

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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.