Home / 87,058.50-130,624.65-47,569.48

Finding the Fourth Proportional to 87,058.50, 130,624.65 and 47,569.48

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Solution

The fourth proportional to 87,058.50, 130,624.65 and 47,569.48 is: 71,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,058.50 : 130,624.65 = 47,569.48 : x
  2. Step 2: Convert to fraction form
    87,058.50/130,624.65 = 47,569.48/x
  3. Step 3: Cross multiply
    87,058.50x = 130,624.65 × 47,569.48
  4. Step 4: Simplify right side
    87,058.50x = 6,213,746,349.12
  5. Step 5: Solve for x
    x = 6,213,746,349.12/87,058.50
  6. Step 6: Final answer
    x = 71,374.38

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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.