Home / 116,319.15-160,521.89-68,569.65

Finding the Fourth Proportional to 116,319.15, 160,521.89 and 68,569.65

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Solution

The fourth proportional to 116,319.15, 160,521.89 and 68,569.65 is: 94,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,319.15 : 160,521.89 = 68,569.65 : x
  2. Step 2: Convert to fraction form
    116,319.15/160,521.89 = 68,569.65/x
  3. Step 3: Cross multiply
    116,319.15x = 160,521.89 × 68,569.65
  4. Step 4: Simplify right side
    116,319.15x = 11,006,929,471.79
  5. Step 5: Solve for x
    x = 11,006,929,471.79/116,319.15
  6. Step 6: Final answer
    x = 94,626.98

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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.