Home / 87,875.92-132,024.16-56,347.75

Finding the Fourth Proportional to 87,875.92, 132,024.16 and 56,347.75

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Solution

The fourth proportional to 87,875.92, 132,024.16 and 56,347.75 is: 84,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,875.92 : 132,024.16 = 56,347.75 : x
  2. Step 2: Convert to fraction form
    87,875.92/132,024.16 = 56,347.75/x
  3. Step 3: Cross multiply
    87,875.92x = 132,024.16 × 56,347.75
  4. Step 4: Simplify right side
    87,875.92x = 7,439,263,419.78
  5. Step 5: Solve for x
    x = 7,439,263,419.78/87,875.92
  6. Step 6: Final answer
    x = 84,656.45

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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.