Home / 87,055.30-130,592.76-27,870.22

Finding the Fourth Proportional to 87,055.30, 130,592.76 and 27,870.22

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Solution

The fourth proportional to 87,055.30, 130,592.76 and 27,870.22 is: 41,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,055.30 : 130,592.76 = 27,870.22 : x
  2. Step 2: Convert to fraction form
    87,055.30/130,592.76 = 27,870.22/x
  3. Step 3: Cross multiply
    87,055.30x = 130,592.76 × 27,870.22
  4. Step 4: Simplify right side
    87,055.30x = 3,639,648,951.61
  5. Step 5: Solve for x
    x = 3,639,648,951.61/87,055.30
  6. Step 6: Final answer
    x = 41,808.47

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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.