Home / 53,780.72-80,560.08-31,526.48

Finding the Fourth Proportional to 53,780.72, 80,560.08 and 31,526.48

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Solution

The fourth proportional to 53,780.72, 80,560.08 and 31,526.48 is: 47,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.72 : 80,560.08 = 31,526.48 : x
  2. Step 2: Convert to fraction form
    53,780.72/80,560.08 = 31,526.48/x
  3. Step 3: Cross multiply
    53,780.72x = 80,560.08 × 31,526.48
  4. Step 4: Simplify right side
    53,780.72x = 2,539,775,750.92
  5. Step 5: Solve for x
    x = 2,539,775,750.92/53,780.72
  6. Step 6: Final answer
    x = 47,224.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.