Home / 87,140.07-130,720.23-37,225.98

Finding the Fourth Proportional to 87,140.07, 130,720.23 and 37,225.98

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Solution

The fourth proportional to 87,140.07, 130,720.23 and 37,225.98 is: 55,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,140.07 : 130,720.23 = 37,225.98 : x
  2. Step 2: Convert to fraction form
    87,140.07/130,720.23 = 37,225.98/x
  3. Step 3: Cross multiply
    87,140.07x = 130,720.23 × 37,225.98
  4. Step 4: Simplify right side
    87,140.07x = 4,866,188,667.58
  5. Step 5: Solve for x
    x = 4,866,188,667.58/87,140.07
  6. Step 6: Final answer
    x = 55,843.30

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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.