Home / 87,036.22-130,561.28-37,116.77

Finding the Fourth Proportional to 87,036.22, 130,561.28 and 37,116.77

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Solution

The fourth proportional to 87,036.22, 130,561.28 and 37,116.77 is: 55,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,036.22 : 130,561.28 = 37,116.77 : x
  2. Step 2: Convert to fraction form
    87,036.22/130,561.28 = 37,116.77/x
  3. Step 3: Cross multiply
    87,036.22x = 130,561.28 × 37,116.77
  4. Step 4: Simplify right side
    87,036.22x = 4,846,012,904.46
  5. Step 5: Solve for x
    x = 4,846,012,904.46/87,036.22
  6. Step 6: Final answer
    x = 55,678.12

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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.