Home / 87,064.93-130,646.61-37,140.31

Finding the Fourth Proportional to 87,064.93, 130,646.61 and 37,140.31

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Solution

The fourth proportional to 87,064.93, 130,646.61 and 37,140.31 is: 55,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,064.93 : 130,646.61 = 37,140.31 : x
  2. Step 2: Convert to fraction form
    87,064.93/130,646.61 = 37,140.31/x
  3. Step 3: Cross multiply
    87,064.93x = 130,646.61 × 37,140.31
  4. Step 4: Simplify right side
    87,064.93x = 4,852,255,410.15
  5. Step 5: Solve for x
    x = 4,852,255,410.15/87,064.93
  6. Step 6: Final answer
    x = 55,731.46

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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.