Home / 84,341.17-126,449.26-51,053.36

Finding the Fourth Proportional to 84,341.17, 126,449.26 and 51,053.36

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Solution

The fourth proportional to 84,341.17, 126,449.26 and 51,053.36 is: 76,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341.17 : 126,449.26 = 51,053.36 : x
  2. Step 2: Convert to fraction form
    84,341.17/126,449.26 = 51,053.36/x
  3. Step 3: Cross multiply
    84,341.17x = 126,449.26 × 51,053.36
  4. Step 4: Simplify right side
    84,341.17x = 6,455,658,705.00
  5. Step 5: Solve for x
    x = 6,455,658,705.00/84,341.17
  6. Step 6: Final answer
    x = 76,542.20

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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.