Home / 87,242.13-130,864.01-56,099.25

Finding the Fourth Proportional to 87,242.13, 130,864.01 and 56,099.25

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Solution

The fourth proportional to 87,242.13, 130,864.01 and 56,099.25 is: 84,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,242.13 : 130,864.01 = 56,099.25 : x
  2. Step 2: Convert to fraction form
    87,242.13/130,864.01 = 56,099.25/x
  3. Step 3: Cross multiply
    87,242.13x = 130,864.01 × 56,099.25
  4. Step 4: Simplify right side
    87,242.13x = 7,341,372,532.50
  5. Step 5: Solve for x
    x = 7,341,372,532.50/87,242.13
  6. Step 6: Final answer
    x = 84,149.40

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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.