Home / 87,594.08-120,888.72-51,795.68

Finding the Fourth Proportional to 87,594.08, 120,888.72 and 51,795.68

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Solution

The fourth proportional to 87,594.08, 120,888.72 and 51,795.68 is: 71,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,594.08 : 120,888.72 = 51,795.68 : x
  2. Step 2: Convert to fraction form
    87,594.08/120,888.72 = 51,795.68/x
  3. Step 3: Cross multiply
    87,594.08x = 120,888.72 × 51,795.68
  4. Step 4: Simplify right side
    87,594.08x = 6,261,513,456.73
  5. Step 5: Solve for x
    x = 6,261,513,456.73/87,594.08
  6. Step 6: Final answer
    x = 71,483.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.