Home / 88,752.60-122,167.83-77,402.07

Finding the Fourth Proportional to 88,752.60, 122,167.83 and 77,402.07

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Solution

The fourth proportional to 88,752.60, 122,167.83 and 77,402.07 is: 106,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,752.60 : 122,167.83 = 77,402.07 : x
  2. Step 2: Convert to fraction form
    88,752.60/122,167.83 = 77,402.07/x
  3. Step 3: Cross multiply
    88,752.60x = 122,167.83 × 77,402.07
  4. Step 4: Simplify right side
    88,752.60x = 9,456,042,929.41
  5. Step 5: Solve for x
    x = 9,456,042,929.41/88,752.60
  6. Step 6: Final answer
    x = 106,543.84

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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.