Home / 71,177.36-98,224.68-39,345.68

Finding the Fourth Proportional to 71,177.36, 98,224.68 and 39,345.68

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Solution

The fourth proportional to 71,177.36, 98,224.68 and 39,345.68 is: 54,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,177.36 : 98,224.68 = 39,345.68 : x
  2. Step 2: Convert to fraction form
    71,177.36/98,224.68 = 39,345.68/x
  3. Step 3: Cross multiply
    71,177.36x = 98,224.68 × 39,345.68
  4. Step 4: Simplify right side
    71,177.36x = 3,864,716,827.38
  5. Step 5: Solve for x
    x = 3,864,716,827.38/71,177.36
  6. Step 6: Final answer
    x = 54,297.00

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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.