Home / 56,423.52-77,864.22-31,273.02

Finding the Fourth Proportional to 56,423.52, 77,864.22 and 31,273.02

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Solution

The fourth proportional to 56,423.52, 77,864.22 and 31,273.02 is: 43,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.52 : 77,864.22 = 31,273.02 : x
  2. Step 2: Convert to fraction form
    56,423.52/77,864.22 = 31,273.02/x
  3. Step 3: Cross multiply
    56,423.52x = 77,864.22 × 31,273.02
  4. Step 4: Simplify right side
    56,423.52x = 2,435,049,309.34
  5. Step 5: Solve for x
    x = 2,435,049,309.34/56,423.52
  6. Step 6: Final answer
    x = 43,156.64

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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.