Home / 87,047.50-130,574.35-27,875.48

Finding the Fourth Proportional to 87,047.50, 130,574.35 and 27,875.48

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Solution

The fourth proportional to 87,047.50, 130,574.35 and 27,875.48 is: 41,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,047.50 : 130,574.35 = 27,875.48 : x
  2. Step 2: Convert to fraction form
    87,047.50/130,574.35 = 27,875.48/x
  3. Step 3: Cross multiply
    87,047.50x = 130,574.35 × 27,875.48
  4. Step 4: Simplify right side
    87,047.50x = 3,639,822,938.69
  5. Step 5: Solve for x
    x = 3,639,822,938.69/87,047.50
  6. Step 6: Final answer
    x = 41,814.21

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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.