Home / 84,003.24-126,023.30-61,749.15

Finding the Fourth Proportional to 84,003.24, 126,023.30 and 61,749.15

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Solution

The fourth proportional to 84,003.24, 126,023.30 and 61,749.15 is: 92,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,003.24 : 126,023.30 = 61,749.15 : x
  2. Step 2: Convert to fraction form
    84,003.24/126,023.30 = 61,749.15/x
  3. Step 3: Cross multiply
    84,003.24x = 126,023.30 × 61,749.15
  4. Step 4: Simplify right side
    84,003.24x = 7,781,831,346.45
  5. Step 5: Solve for x
    x = 7,781,831,346.45/84,003.24
  6. Step 6: Final answer
    x = 92,637.28

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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.