Home / 52,130.87-71,941.68-29,468.51

Finding the Fourth Proportional to 52,130.87, 71,941.68 and 29,468.51

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Solution

The fourth proportional to 52,130.87, 71,941.68 and 29,468.51 is: 40,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.87 : 71,941.68 = 29,468.51 : x
  2. Step 2: Convert to fraction form
    52,130.87/71,941.68 = 29,468.51/x
  3. Step 3: Cross multiply
    52,130.87x = 71,941.68 × 29,468.51
  4. Step 4: Simplify right side
    52,130.87x = 2,120,013,756.79
  5. Step 5: Solve for x
    x = 2,120,013,756.79/52,130.87
  6. Step 6: Final answer
    x = 40,667.15

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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.