Home / 92,068.24-127,063.92-56,279.20

Finding the Fourth Proportional to 92,068.24, 127,063.92 and 56,279.20

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Solution

The fourth proportional to 92,068.24, 127,063.92 and 56,279.20 is: 77,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,068.24 : 127,063.92 = 56,279.20 : x
  2. Step 2: Convert to fraction form
    92,068.24/127,063.92 = 56,279.20/x
  3. Step 3: Cross multiply
    92,068.24x = 127,063.92 × 56,279.20
  4. Step 4: Simplify right side
    92,068.24x = 7,151,055,766.46
  5. Step 5: Solve for x
    x = 7,151,055,766.46/92,068.24
  6. Step 6: Final answer
    x = 77,671.26

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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.