Home / 83,017.19-114,565.05-45,291.44

Finding the Fourth Proportional to 83,017.19, 114,565.05 and 45,291.44

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Solution

The fourth proportional to 83,017.19, 114,565.05 and 45,291.44 is: 62,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,017.19 : 114,565.05 = 45,291.44 : x
  2. Step 2: Convert to fraction form
    83,017.19/114,565.05 = 45,291.44/x
  3. Step 3: Cross multiply
    83,017.19x = 114,565.05 × 45,291.44
  4. Step 4: Simplify right side
    83,017.19x = 5,188,816,088.17
  5. Step 5: Solve for x
    x = 5,188,816,088.17/83,017.19
  6. Step 6: Final answer
    x = 62,502.91

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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.