Home / 112,673.28-168,900.72-62,707.68

Finding the Fourth Proportional to 112,673.28, 168,900.72 and 62,707.68

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Solution

The fourth proportional to 112,673.28, 168,900.72 and 62,707.68 is: 94,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,673.28 : 168,900.72 = 62,707.68 : x
  2. Step 2: Convert to fraction form
    112,673.28/168,900.72 = 62,707.68/x
  3. Step 3: Cross multiply
    112,673.28x = 168,900.72 × 62,707.68
  4. Step 4: Simplify right side
    112,673.28x = 10,591,372,301.53
  5. Step 5: Solve for x
    x = 10,591,372,301.53/112,673.28
  6. Step 6: Final answer
    x = 94,000.75

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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.