Home / 52,791.68-72,851.78-30,143.92

Finding the Fourth Proportional to 52,791.68, 72,851.78 and 30,143.92

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Solution

The fourth proportional to 52,791.68, 72,851.78 and 30,143.92 is: 41,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.68 : 72,851.78 = 30,143.92 : x
  2. Step 2: Convert to fraction form
    52,791.68/72,851.78 = 30,143.92/x
  3. Step 3: Cross multiply
    52,791.68x = 72,851.78 × 30,143.92
  4. Step 4: Simplify right side
    52,791.68x = 2,196,038,228.18
  5. Step 5: Solve for x
    x = 2,196,038,228.18/52,791.68
  6. Step 6: Final answer
    x = 41,598.19

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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.