Home / 73,747.18-111,118.25-60,887.62

Finding the Fourth Proportional to 73,747.18, 111,118.25 and 60,887.62

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Solution

The fourth proportional to 73,747.18, 111,118.25 and 60,887.62 is: 91,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,747.18 : 111,118.25 = 60,887.62 : x
  2. Step 2: Convert to fraction form
    73,747.18/111,118.25 = 60,887.62/x
  3. Step 3: Cross multiply
    73,747.18x = 111,118.25 × 60,887.62
  4. Step 4: Simplify right side
    73,747.18x = 6,765,725,781.07
  5. Step 5: Solve for x
    x = 6,765,725,781.07/73,747.18
  6. Step 6: Final answer
    x = 91,742.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.