Home / 49,373.92-68,139.76-28,153.68

Finding the Fourth Proportional to 49,373.92, 68,139.76 and 28,153.68

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Solution

The fourth proportional to 49,373.92, 68,139.76 and 28,153.68 is: 38,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,373.92 : 68,139.76 = 28,153.68 : x
  2. Step 2: Convert to fraction form
    49,373.92/68,139.76 = 28,153.68/x
  3. Step 3: Cross multiply
    49,373.92x = 68,139.76 × 28,153.68
  4. Step 4: Simplify right side
    49,373.92x = 1,918,384,998.32
  5. Step 5: Solve for x
    x = 1,918,384,998.32/49,373.92
  6. Step 6: Final answer
    x = 38,854.22

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1.5x scale

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.