Home / 89,720.46-134,575.22-37,128.58

Finding the Fourth Proportional to 89,720.46, 134,575.22 and 37,128.58

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Solution

The fourth proportional to 89,720.46, 134,575.22 and 37,128.58 is: 55,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,720.46 : 134,575.22 = 37,128.58 : x
  2. Step 2: Convert to fraction form
    89,720.46/134,575.22 = 37,128.58/x
  3. Step 3: Cross multiply
    89,720.46x = 134,575.22 × 37,128.58
  4. Step 4: Simplify right side
    89,720.46x = 4,996,586,578.17
  5. Step 5: Solve for x
    x = 4,996,586,578.17/89,720.46
  6. Step 6: Final answer
    x = 55,690.60

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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.