Home / 83,476.19-115,195.14-45,234.11

Finding the Fourth Proportional to 83,476.19, 115,195.14 and 45,234.11

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Solution

The fourth proportional to 83,476.19, 115,195.14 and 45,234.11 is: 62,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,476.19 : 115,195.14 = 45,234.11 : x
  2. Step 2: Convert to fraction form
    83,476.19/115,195.14 = 45,234.11/x
  3. Step 3: Cross multiply
    83,476.19x = 115,195.14 × 45,234.11
  4. Step 4: Simplify right side
    83,476.19x = 5,210,749,058.25
  5. Step 5: Solve for x
    x = 5,210,749,058.25/83,476.19
  6. Step 6: Final answer
    x = 62,421.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.