Home / 112,321.50-155,003.70-62,023.74

Finding the Fourth Proportional to 112,321.50, 155,003.70 and 62,023.74

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Solution

The fourth proportional to 112,321.50, 155,003.70 and 62,023.74 is: 85,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,321.50 : 155,003.70 = 62,023.74 : x
  2. Step 2: Convert to fraction form
    112,321.50/155,003.70 = 62,023.74/x
  3. Step 3: Cross multiply
    112,321.50x = 155,003.70 × 62,023.74
  4. Step 4: Simplify right side
    112,321.50x = 9,613,909,187.84
  5. Step 5: Solve for x
    x = 9,613,909,187.84/112,321.50
  6. Step 6: Final answer
    x = 85,592.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.