Home / 112,827.48-169,241.40-28,587.66

Finding the Fourth Proportional to 112,827.48, 169,241.40 and 28,587.66

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Solution

The fourth proportional to 112,827.48, 169,241.40 and 28,587.66 is: 42,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,827.48 : 169,241.40 = 28,587.66 : x
  2. Step 2: Convert to fraction form
    112,827.48/169,241.40 = 28,587.66/x
  3. Step 3: Cross multiply
    112,827.48x = 169,241.40 × 28,587.66
  4. Step 4: Simplify right side
    112,827.48x = 4,838,215,601.12
  5. Step 5: Solve for x
    x = 4,838,215,601.12/112,827.48
  6. Step 6: Final answer
    x = 42,881.54

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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.