Home / 49,316.16-67,976.16-38,542.08

Finding the Fourth Proportional to 49,316.16, 67,976.16 and 38,542.08

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Solution

The fourth proportional to 49,316.16, 67,976.16 and 38,542.08 is: 53,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,316.16 : 67,976.16 = 38,542.08 : x
  2. Step 2: Convert to fraction form
    49,316.16/67,976.16 = 38,542.08/x
  3. Step 3: Cross multiply
    49,316.16x = 67,976.16 × 38,542.08
  4. Step 4: Simplify right side
    49,316.16x = 2,619,942,596.81
  5. Step 5: Solve for x
    x = 2,619,942,596.81/49,316.16
  6. Step 6: Final answer
    x = 53,125.44

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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.