Home / 88,367.76-121,938.21-50,115.04

Finding the Fourth Proportional to 88,367.76, 121,938.21 and 50,115.04

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Solution

The fourth proportional to 88,367.76, 121,938.21 and 50,115.04 is: 69,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,367.76 : 121,938.21 = 50,115.04 : x
  2. Step 2: Convert to fraction form
    88,367.76/121,938.21 = 50,115.04/x
  3. Step 3: Cross multiply
    88,367.76x = 121,938.21 × 50,115.04
  4. Step 4: Simplify right side
    88,367.76x = 6,110,937,966.83
  5. Step 5: Solve for x
    x = 6,110,937,966.83/88,367.76
  6. Step 6: Final answer
    x = 69,153.48

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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.