Home / 87,365.10-130,937.97-37,386.42

Finding the Fourth Proportional to 87,365.10, 130,937.97 and 37,386.42

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Solution

The fourth proportional to 87,365.10, 130,937.97 and 37,386.42 is: 56,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,365.10 : 130,937.97 = 37,386.42 : x
  2. Step 2: Convert to fraction form
    87,365.10/130,937.97 = 37,386.42/x
  3. Step 3: Cross multiply
    87,365.10x = 130,937.97 × 37,386.42
  4. Step 4: Simplify right side
    87,365.10x = 4,895,301,940.37
  5. Step 5: Solve for x
    x = 4,895,301,940.37/87,365.10
  6. Step 6: Final answer
    x = 56,032.69

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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.