Home / 81,277.08-112,157.85-45,460.17

Finding the Fourth Proportional to 81,277.08, 112,157.85 and 45,460.17

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Solution

The fourth proportional to 81,277.08, 112,157.85 and 45,460.17 is: 62,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,277.08 : 112,157.85 = 45,460.17 : x
  2. Step 2: Convert to fraction form
    81,277.08/112,157.85 = 45,460.17/x
  3. Step 3: Cross multiply
    81,277.08x = 112,157.85 × 45,460.17
  4. Step 4: Simplify right side
    81,277.08x = 5,098,715,098.31
  5. Step 5: Solve for x
    x = 5,098,715,098.31/81,277.08
  6. Step 6: Final answer
    x = 62,732.51

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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.