Home / 117,616.04-162,377.40-77,446.52

Finding the Fourth Proportional to 117,616.04, 162,377.40 and 77,446.52

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Solution

The fourth proportional to 117,616.04, 162,377.40 and 77,446.52 is: 106,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,616.04 : 162,377.40 = 77,446.52 : x
  2. Step 2: Convert to fraction form
    117,616.04/162,377.40 = 77,446.52/x
  3. Step 3: Cross multiply
    117,616.04x = 162,377.40 × 77,446.52
  4. Step 4: Simplify right side
    117,616.04x = 12,575,564,556.65
  5. Step 5: Solve for x
    x = 12,575,564,556.65/117,616.04
  6. Step 6: Final answer
    x = 106,920.49

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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.