Home / 89,398.18-134,013.89-30,192.45

Finding the Fourth Proportional to 89,398.18, 134,013.89 and 30,192.45

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Solution

The fourth proportional to 89,398.18, 134,013.89 and 30,192.45 is: 45,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398.18 : 134,013.89 = 30,192.45 : x
  2. Step 2: Convert to fraction form
    89,398.18/134,013.89 = 30,192.45/x
  3. Step 3: Cross multiply
    89,398.18x = 134,013.89 × 30,192.45
  4. Step 4: Simplify right side
    89,398.18x = 4,046,207,246.06
  5. Step 5: Solve for x
    x = 4,046,207,246.06/89,398.18
  6. Step 6: Final answer
    x = 45,260.51

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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.