Home / 84,306.29-116,207.55-57,073.79

Finding the Fourth Proportional to 84,306.29, 116,207.55 and 57,073.79

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Solution

The fourth proportional to 84,306.29, 116,207.55 and 57,073.79 is: 78,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,306.29 : 116,207.55 = 57,073.79 : x
  2. Step 2: Convert to fraction form
    84,306.29/116,207.55 = 57,073.79/x
  3. Step 3: Cross multiply
    84,306.29x = 116,207.55 × 57,073.79
  4. Step 4: Simplify right side
    84,306.29x = 6,632,405,305.11
  5. Step 5: Solve for x
    x = 6,632,405,305.11/84,306.29
  6. Step 6: Final answer
    x = 78,670.35

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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.