Home / 107,585.55-148,366.15-68,835.62

Finding the Fourth Proportional to 107,585.55, 148,366.15 and 68,835.62

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Solution

The fourth proportional to 107,585.55, 148,366.15 and 68,835.62 is: 94,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,585.55 : 148,366.15 = 68,835.62 : x
  2. Step 2: Convert to fraction form
    107,585.55/148,366.15 = 68,835.62/x
  3. Step 3: Cross multiply
    107,585.55x = 148,366.15 × 68,835.62
  4. Step 4: Simplify right side
    107,585.55x = 10,212,876,121.09
  5. Step 5: Solve for x
    x = 10,212,876,121.09/107,585.55
  6. Step 6: Final answer
    x = 94,927.95

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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.