Home / 53,014.60-73,159.30-29,140.76

Finding the Fourth Proportional to 53,014.60, 73,159.30 and 29,140.76

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Solution

The fourth proportional to 53,014.60, 73,159.30 and 29,140.76 is: 40,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,014.60 : 73,159.30 = 29,140.76 : x
  2. Step 2: Convert to fraction form
    53,014.60/73,159.30 = 29,140.76/x
  3. Step 3: Cross multiply
    53,014.60x = 73,159.30 × 29,140.76
  4. Step 4: Simplify right side
    53,014.60x = 2,131,917,164.42
  5. Step 5: Solve for x
    x = 2,131,917,164.42/53,014.60
  6. Step 6: Final answer
    x = 40,213.78

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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.