Home / 89,398.38-134,095.48-45,013.21

Finding the Fourth Proportional to 89,398.38, 134,095.48 and 45,013.21

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Solution

The fourth proportional to 89,398.38, 134,095.48 and 45,013.21 is: 67,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398.38 : 134,095.48 = 45,013.21 : x
  2. Step 2: Convert to fraction form
    89,398.38/134,095.48 = 45,013.21/x
  3. Step 3: Cross multiply
    89,398.38x = 134,095.48 × 45,013.21
  4. Step 4: Simplify right side
    89,398.38x = 6,036,068,001.29
  5. Step 5: Solve for x
    x = 6,036,068,001.29/89,398.38
  6. Step 6: Final answer
    x = 67,518.76

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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.