Home / 81,548.33-112,543.47-45,253.18

Finding the Fourth Proportional to 81,548.33, 112,543.47 and 45,253.18

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Solution

The fourth proportional to 81,548.33, 112,543.47 and 45,253.18 is: 62,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548.33 : 112,543.47 = 45,253.18 : x
  2. Step 2: Convert to fraction form
    81,548.33/112,543.47 = 45,253.18/x
  3. Step 3: Cross multiply
    81,548.33x = 112,543.47 × 45,253.18
  4. Step 4: Simplify right side
    81,548.33x = 5,092,949,905.73
  5. Step 5: Solve for x
    x = 5,092,949,905.73/81,548.33
  6. Step 6: Final answer
    x = 62,453.15

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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.