Home / 84,256.30-126,401.01-28,095.66

Finding the Fourth Proportional to 84,256.30, 126,401.01 and 28,095.66

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Solution

The fourth proportional to 84,256.30, 126,401.01 and 28,095.66 is: 42,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,256.30 : 126,401.01 = 28,095.66 : x
  2. Step 2: Convert to fraction form
    84,256.30/126,401.01 = 28,095.66/x
  3. Step 3: Cross multiply
    84,256.30x = 126,401.01 × 28,095.66
  4. Step 4: Simplify right side
    84,256.30x = 3,551,319,695.26
  5. Step 5: Solve for x
    x = 3,551,319,695.26/84,256.30
  6. Step 6: Final answer
    x = 42,149.01

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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.