Home / 89,417.20-134,117.62-30,253.48

Finding the Fourth Proportional to 89,417.20, 134,117.62 and 30,253.48

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Solution

The fourth proportional to 89,417.20, 134,117.62 and 30,253.48 is: 45,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,417.20 : 134,117.62 = 30,253.48 : x
  2. Step 2: Convert to fraction form
    89,417.20/134,117.62 = 30,253.48/x
  3. Step 3: Cross multiply
    89,417.20x = 134,117.62 × 30,253.48
  4. Step 4: Simplify right side
    89,417.20x = 4,057,524,734.32
  5. Step 5: Solve for x
    x = 4,057,524,734.32/89,417.20
  6. Step 6: Final answer
    x = 45,377.45

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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.