Home / 55,691.12-83,388.88-43,562.40

Finding the Fourth Proportional to 55,691.12, 83,388.88 and 43,562.40

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Solution

The fourth proportional to 55,691.12, 83,388.88 and 43,562.40 is: 65,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.12 : 83,388.88 = 43,562.40 : x
  2. Step 2: Convert to fraction form
    55,691.12/83,388.88 = 43,562.40/x
  3. Step 3: Cross multiply
    55,691.12x = 83,388.88 × 43,562.40
  4. Step 4: Simplify right side
    55,691.12x = 3,632,619,746.11
  5. Step 5: Solve for x
    x = 3,632,619,746.11/55,691.12
  6. Step 6: Final answer
    x = 65,227.99

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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.