Home / 81,501.26-112,474.10-45,691.87

Finding the Fourth Proportional to 81,501.26, 112,474.10 and 45,691.87

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Solution

The fourth proportional to 81,501.26, 112,474.10 and 45,691.87 is: 63,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,501.26 : 112,474.10 = 45,691.87 : x
  2. Step 2: Convert to fraction form
    81,501.26/112,474.10 = 45,691.87/x
  3. Step 3: Cross multiply
    81,501.26x = 112,474.10 × 45,691.87
  4. Step 4: Simplify right side
    81,501.26x = 5,139,151,955.57
  5. Step 5: Solve for x
    x = 5,139,151,955.57/81,501.26
  6. Step 6: Final answer
    x = 63,056.10

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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.