Home / 88,008.60-121,440.24-49,773.36

Finding the Fourth Proportional to 88,008.60, 121,440.24 and 49,773.36

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Solution

The fourth proportional to 88,008.60, 121,440.24 and 49,773.36 is: 68,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,008.60 : 121,440.24 = 49,773.36 : x
  2. Step 2: Convert to fraction form
    88,008.60/121,440.24 = 49,773.36/x
  3. Step 3: Cross multiply
    88,008.60x = 121,440.24 × 49,773.36
  4. Step 4: Simplify right side
    88,008.60x = 6,044,488,784.01
  5. Step 5: Solve for x
    x = 6,044,488,784.01/88,008.60
  6. Step 6: Final answer
    x = 68,680.66

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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.