Home / 71,176.49-98,224.14-39,345.92

Finding the Fourth Proportional to 71,176.49, 98,224.14 and 39,345.92

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Solution

The fourth proportional to 71,176.49, 98,224.14 and 39,345.92 is: 54,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.49 : 98,224.14 = 39,345.92 : x
  2. Step 2: Convert to fraction form
    71,176.49/98,224.14 = 39,345.92/x
  3. Step 3: Cross multiply
    71,176.49x = 98,224.14 × 39,345.92
  4. Step 4: Simplify right side
    71,176.49x = 3,864,718,663.39
  5. Step 5: Solve for x
    x = 3,864,718,663.39/71,176.49
  6. Step 6: Final answer
    x = 54,297.69

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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.