Home / 89,562.80-134,346.02-30,398.37

Finding the Fourth Proportional to 89,562.80, 134,346.02 and 30,398.37

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Solution

The fourth proportional to 89,562.80, 134,346.02 and 30,398.37 is: 45,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,562.80 : 134,346.02 = 30,398.37 : x
  2. Step 2: Convert to fraction form
    89,562.80/134,346.02 = 30,398.37/x
  3. Step 3: Cross multiply
    89,562.80x = 134,346.02 × 30,398.37
  4. Step 4: Simplify right side
    89,562.80x = 4,083,899,872.00
  5. Step 5: Solve for x
    x = 4,083,899,872.00/89,562.80
  6. Step 6: Final answer
    x = 45,598.17

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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.