Home / 81,182.26-112,024.02-45,367.30

Finding the Fourth Proportional to 81,182.26, 112,024.02 and 45,367.30

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Solution

The fourth proportional to 81,182.26, 112,024.02 and 45,367.30 is: 62,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182.26 : 112,024.02 = 45,367.30 : x
  2. Step 2: Convert to fraction form
    81,182.26/112,024.02 = 45,367.30/x
  3. Step 3: Cross multiply
    81,182.26x = 112,024.02 × 45,367.30
  4. Step 4: Simplify right side
    81,182.26x = 5,082,227,322.55
  5. Step 5: Solve for x
    x = 5,082,227,322.55/81,182.26
  6. Step 6: Final answer
    x = 62,602.68

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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.