Home / 87,152.13-130,713.15-23,110.72

Finding the Fourth Proportional to 87,152.13, 130,713.15 and 23,110.72

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Solution

The fourth proportional to 87,152.13, 130,713.15 and 23,110.72 is: 34,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,152.13 : 130,713.15 = 23,110.72 : x
  2. Step 2: Convert to fraction form
    87,152.13/130,713.15 = 23,110.72/x
  3. Step 3: Cross multiply
    87,152.13x = 130,713.15 × 23,110.72
  4. Step 4: Simplify right side
    87,152.13x = 3,020,875,009.97
  5. Step 5: Solve for x
    x = 3,020,875,009.97/87,152.13
  6. Step 6: Final answer
    x = 34,662.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.