Home / 105,766.39-158,438.08-63,623.17

Finding the Fourth Proportional to 105,766.39, 158,438.08 and 63,623.17

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Solution

The fourth proportional to 105,766.39, 158,438.08 and 63,623.17 is: 95,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,766.39 : 158,438.08 = 63,623.17 : x
  2. Step 2: Convert to fraction form
    105,766.39/158,438.08 = 63,623.17/x
  3. Step 3: Cross multiply
    105,766.39x = 158,438.08 × 63,623.17
  4. Step 4: Simplify right side
    105,766.39x = 10,080,332,898.31
  5. Step 5: Solve for x
    x = 10,080,332,898.31/105,766.39
  6. Step 6: Final answer
    x = 95,307.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.