Home / 88,638.02-122,347.76-54,657.17

Finding the Fourth Proportional to 88,638.02, 122,347.76 and 54,657.17

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Solution

The fourth proportional to 88,638.02, 122,347.76 and 54,657.17 is: 75,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,638.02 : 122,347.76 = 54,657.17 : x
  2. Step 2: Convert to fraction form
    88,638.02/122,347.76 = 54,657.17/x
  3. Step 3: Cross multiply
    88,638.02x = 122,347.76 × 54,657.17
  4. Step 4: Simplify right side
    88,638.02x = 6,687,182,044.15
  5. Step 5: Solve for x
    x = 6,687,182,044.15/88,638.02
  6. Step 6: Final answer
    x = 75,443.72

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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.