Home / 108,542.47-162,726.75-51,587.77

Finding the Fourth Proportional to 108,542.47, 162,726.75 and 51,587.77

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Solution

The fourth proportional to 108,542.47, 162,726.75 and 51,587.77 is: 77,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,542.47 : 162,726.75 = 51,587.77 : x
  2. Step 2: Convert to fraction form
    108,542.47/162,726.75 = 51,587.77/x
  3. Step 3: Cross multiply
    108,542.47x = 162,726.75 × 51,587.77
  4. Step 4: Simplify right side
    108,542.47x = 8,394,710,151.85
  5. Step 5: Solve for x
    x = 8,394,710,151.85/108,542.47
  6. Step 6: Final answer
    x = 77,340.33

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1.5x scale

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.