Home / 92,612.12-127,802.08-54,371.04

Finding the Fourth Proportional to 92,612.12, 127,802.08 and 54,371.04

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Solution

The fourth proportional to 92,612.12, 127,802.08 and 54,371.04 is: 75,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,612.12 : 127,802.08 = 54,371.04 : x
  2. Step 2: Convert to fraction form
    92,612.12/127,802.08 = 54,371.04/x
  3. Step 3: Cross multiply
    92,612.12x = 127,802.08 × 54,371.04
  4. Step 4: Simplify right side
    92,612.12x = 6,948,732,003.76
  5. Step 5: Solve for x
    x = 6,948,732,003.76/92,612.12
  6. Step 6: Final answer
    x = 75,030.48

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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.