Home / 88,402.68-121,957.14-58,149.16

Finding the Fourth Proportional to 88,402.68, 121,957.14 and 58,149.16

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Solution

The fourth proportional to 88,402.68, 121,957.14 and 58,149.16 is: 80,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,402.68 : 121,957.14 = 58,149.16 : x
  2. Step 2: Convert to fraction form
    88,402.68/121,957.14 = 58,149.16/x
  3. Step 3: Cross multiply
    88,402.68x = 121,957.14 × 58,149.16
  4. Step 4: Simplify right side
    88,402.68x = 7,091,705,247.00
  5. Step 5: Solve for x
    x = 7,091,705,247.00/88,402.68
  6. Step 6: Final answer
    x = 80,220.48

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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.