Home / 84,661.10-126,982.74-34,746.48

Finding the Fourth Proportional to 84,661.10, 126,982.74 and 34,746.48

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Solution

The fourth proportional to 84,661.10, 126,982.74 and 34,746.48 is: 52,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,661.10 : 126,982.74 = 34,746.48 : x
  2. Step 2: Convert to fraction form
    84,661.10/126,982.74 = 34,746.48/x
  3. Step 3: Cross multiply
    84,661.10x = 126,982.74 × 34,746.48
  4. Step 4: Simplify right side
    84,661.10x = 4,412,203,235.76
  5. Step 5: Solve for x
    x = 4,412,203,235.76/84,661.10
  6. Step 6: Final answer
    x = 52,116.06

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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.