Home / 87,813.23-121,100.01-58,292.76

Finding the Fourth Proportional to 87,813.23, 121,100.01 and 58,292.76

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Solution

The fourth proportional to 87,813.23, 121,100.01 and 58,292.76 is: 80,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,813.23 : 121,100.01 = 58,292.76 : x
  2. Step 2: Convert to fraction form
    87,813.23/121,100.01 = 58,292.76/x
  3. Step 3: Cross multiply
    87,813.23x = 121,100.01 × 58,292.76
  4. Step 4: Simplify right side
    87,813.23x = 7,059,253,818.93
  5. Step 5: Solve for x
    x = 7,059,253,818.93/87,813.23
  6. Step 6: Final answer
    x = 80,389.42

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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.