Home / 81,340.68-112,251.06-45,534.12

Finding the Fourth Proportional to 81,340.68, 112,251.06 and 45,534.12

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Solution

The fourth proportional to 81,340.68, 112,251.06 and 45,534.12 is: 62,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,340.68 : 112,251.06 = 45,534.12 : x
  2. Step 2: Convert to fraction form
    81,340.68/112,251.06 = 45,534.12/x
  3. Step 3: Cross multiply
    81,340.68x = 112,251.06 × 45,534.12
  4. Step 4: Simplify right side
    81,340.68x = 5,111,253,236.17
  5. Step 5: Solve for x
    x = 5,111,253,236.17/81,340.68
  6. Step 6: Final answer
    x = 62,837.60

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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.