Home / 107,089.16-147,715.97-68,898.47

Finding the Fourth Proportional to 107,089.16, 147,715.97 and 68,898.47

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Solution

The fourth proportional to 107,089.16, 147,715.97 and 68,898.47 is: 95,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,089.16 : 147,715.97 = 68,898.47 : x
  2. Step 2: Convert to fraction form
    107,089.16/147,715.97 = 68,898.47/x
  3. Step 3: Cross multiply
    107,089.16x = 147,715.97 × 68,898.47
  4. Step 4: Simplify right side
    107,089.16x = 10,177,403,244.49
  5. Step 5: Solve for x
    x = 10,177,403,244.49/107,089.16
  6. Step 6: Final answer
    x = 95,036.73

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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.