Home / 87,547.32-131,333.94-32,139

Finding the Fourth Proportional to 87,547.32, 131,333.94 and 32,139

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Solution

The fourth proportional to 87,547.32, 131,333.94 and 32,139 is: 48,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,547.32 : 131,333.94 = 32,139 : x
  2. Step 2: Convert to fraction form
    87,547.32/131,333.94 = 32,139/x
  3. Step 3: Cross multiply
    87,547.32x = 131,333.94 × 32,139
  4. Step 4: Simplify right side
    87,547.32x = 4,220,941,497.66
  5. Step 5: Solve for x
    x = 4,220,941,497.66/87,547.32
  6. Step 6: Final answer
    x = 48,213.26

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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.