Home / 87,262.43-130,302.50-69,291.41

Finding the Fourth Proportional to 87,262.43, 130,302.50 and 69,291.41

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Solution

The fourth proportional to 87,262.43, 130,302.50 and 69,291.41 is: 103,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.43 : 130,302.50 = 69,291.41 : x
  2. Step 2: Convert to fraction form
    87,262.43/130,302.50 = 69,291.41/x
  3. Step 3: Cross multiply
    87,262.43x = 130,302.50 × 69,291.41
  4. Step 4: Simplify right side
    87,262.43x = 9,028,842,953.56
  5. Step 5: Solve for x
    x = 9,028,842,953.56/87,262.43
  6. Step 6: Final answer
    x = 103,467.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.