Home / 48,868.74-73,303.29-20,784.78

Finding the Fourth Proportional to 48,868.74, 73,303.29 and 20,784.78

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Solution

The fourth proportional to 48,868.74, 73,303.29 and 20,784.78 is: 31,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,868.74 : 73,303.29 = 20,784.78 : x
  2. Step 2: Convert to fraction form
    48,868.74/73,303.29 = 20,784.78/x
  3. Step 3: Cross multiply
    48,868.74x = 73,303.29 × 20,784.78
  4. Step 4: Simplify right side
    48,868.74x = 1,523,592,755.93
  5. Step 5: Solve for x
    x = 1,523,592,755.93/48,868.74
  6. Step 6: Final answer
    x = 31,177.25

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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.