Home / 87,051.76-130,587.05-37,137.13

Finding the Fourth Proportional to 87,051.76, 130,587.05 and 37,137.13

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Solution

The fourth proportional to 87,051.76, 130,587.05 and 37,137.13 is: 55,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.76 : 130,587.05 = 37,137.13 : x
  2. Step 2: Convert to fraction form
    87,051.76/130,587.05 = 37,137.13/x
  3. Step 3: Cross multiply
    87,051.76x = 130,587.05 × 37,137.13
  4. Step 4: Simplify right side
    87,051.76x = 4,849,628,018.54
  5. Step 5: Solve for x
    x = 4,849,628,018.54/87,051.76
  6. Step 6: Final answer
    x = 55,709.71

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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.