Home / 49,743.90-74,615.85-18,575.10

Finding the Fourth Proportional to 49,743.90, 74,615.85 and 18,575.10

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Solution

The fourth proportional to 49,743.90, 74,615.85 and 18,575.10 is: 27,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,743.90 : 74,615.85 = 18,575.10 : x
  2. Step 2: Convert to fraction form
    49,743.90/74,615.85 = 18,575.10/x
  3. Step 3: Cross multiply
    49,743.90x = 74,615.85 × 18,575.10
  4. Step 4: Simplify right side
    49,743.90x = 1,385,996,875.34
  5. Step 5: Solve for x
    x = 1,385,996,875.34/49,743.90
  6. Step 6: Final answer
    x = 27,862.65

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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.