Home / 48,345.24-72,449.80-38,440.56

Finding the Fourth Proportional to 48,345.24, 72,449.80 and 38,440.56

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Solution

The fourth proportional to 48,345.24, 72,449.80 and 38,440.56 is: 57,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.24 : 72,449.80 = 38,440.56 : x
  2. Step 2: Convert to fraction form
    48,345.24/72,449.80 = 38,440.56/x
  3. Step 3: Cross multiply
    48,345.24x = 72,449.80 × 38,440.56
  4. Step 4: Simplify right side
    48,345.24x = 2,785,010,883.89
  5. Step 5: Solve for x
    x = 2,785,010,883.89/48,345.24
  6. Step 6: Final answer
    x = 57,606.72

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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.