Home / 53,138.16-73,332.72-29,265.84

Finding the Fourth Proportional to 53,138.16, 73,332.72 and 29,265.84

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Solution

The fourth proportional to 53,138.16, 73,332.72 and 29,265.84 is: 40,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.16 : 73,332.72 = 29,265.84 : x
  2. Step 2: Convert to fraction form
    53,138.16/73,332.72 = 29,265.84/x
  3. Step 3: Cross multiply
    53,138.16x = 73,332.72 × 29,265.84
  4. Step 4: Simplify right side
    53,138.16x = 2,146,143,650.28
  5. Step 5: Solve for x
    x = 2,146,143,650.28/53,138.16
  6. Step 6: Final answer
    x = 40,387.99

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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.