Home / 84,701.17-126,986.13-49,107.75

Finding the Fourth Proportional to 84,701.17, 126,986.13 and 49,107.75

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Solution

The fourth proportional to 84,701.17, 126,986.13 and 49,107.75 is: 73,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,701.17 : 126,986.13 = 49,107.75 : x
  2. Step 2: Convert to fraction form
    84,701.17/126,986.13 = 49,107.75/x
  3. Step 3: Cross multiply
    84,701.17x = 126,986.13 × 49,107.75
  4. Step 4: Simplify right side
    84,701.17x = 6,236,003,125.51
  5. Step 5: Solve for x
    x = 6,236,003,125.51/84,701.17
  6. Step 6: Final answer
    x = 73,623.58

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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.