Home / 53,013.86-73,159.37-29,142.08

Finding the Fourth Proportional to 53,013.86, 73,159.37 and 29,142.08

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Solution

The fourth proportional to 53,013.86, 73,159.37 and 29,142.08 is: 40,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.86 : 73,159.37 = 29,142.08 : x
  2. Step 2: Convert to fraction form
    53,013.86/73,159.37 = 29,142.08/x
  3. Step 3: Cross multiply
    53,013.86x = 73,159.37 × 29,142.08
  4. Step 4: Simplify right side
    53,013.86x = 2,132,015,701.78
  5. Step 5: Solve for x
    x = 2,132,015,701.78/53,013.86
  6. Step 6: Final answer
    x = 40,216.20

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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.