Home / 49,971.12-74,990.64-26,613.92

Finding the Fourth Proportional to 49,971.12, 74,990.64 and 26,613.92

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Solution

The fourth proportional to 49,971.12, 74,990.64 and 26,613.92 is: 39,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,971.12 : 74,990.64 = 26,613.92 : x
  2. Step 2: Convert to fraction form
    49,971.12/74,990.64 = 26,613.92/x
  3. Step 3: Cross multiply
    49,971.12x = 74,990.64 × 26,613.92
  4. Step 4: Simplify right side
    49,971.12x = 1,995,794,893.71
  5. Step 5: Solve for x
    x = 1,995,794,893.71/49,971.12
  6. Step 6: Final answer
    x = 39,938.97

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1.5x scale

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.