Home / 87,052.40-130,588-37,137.76

Finding the Fourth Proportional to 87,052.40, 130,588 and 37,137.76

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Solution

The fourth proportional to 87,052.40, 130,588 and 37,137.76 is: 55,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,052.40 : 130,588 = 37,137.76 : x
  2. Step 2: Convert to fraction form
    87,052.40/130,588 = 37,137.76/x
  3. Step 3: Cross multiply
    87,052.40x = 130,588 × 37,137.76
  4. Step 4: Simplify right side
    87,052.40x = 4,849,745,802.88
  5. Step 5: Solve for x
    x = 4,849,745,802.88/87,052.40
  6. Step 6: Final answer
    x = 55,710.65

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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.