Home / 87,232.96-130,830-40,460.32

Finding the Fourth Proportional to 87,232.96, 130,830 and 40,460.32

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Solution

The fourth proportional to 87,232.96, 130,830 and 40,460.32 is: 60,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,232.96 : 130,830 = 40,460.32 : x
  2. Step 2: Convert to fraction form
    87,232.96/130,830 = 40,460.32/x
  3. Step 3: Cross multiply
    87,232.96x = 130,830 × 40,460.32
  4. Step 4: Simplify right side
    87,232.96x = 5,293,423,665.60
  5. Step 5: Solve for x
    x = 5,293,423,665.60/87,232.96
  6. Step 6: Final answer
    x = 60,681.46

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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.