Home / 48,278.90-72,434.06-23,321.81

Finding the Fourth Proportional to 48,278.90, 72,434.06 and 23,321.81

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Solution

The fourth proportional to 48,278.90, 72,434.06 and 23,321.81 is: 34,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.90 : 72,434.06 = 23,321.81 : x
  2. Step 2: Convert to fraction form
    48,278.90/72,434.06 = 23,321.81/x
  3. Step 3: Cross multiply
    48,278.90x = 72,434.06 × 23,321.81
  4. Step 4: Simplify right side
    48,278.90x = 1,689,293,384.85
  5. Step 5: Solve for x
    x = 1,689,293,384.85/48,278.90
  6. Step 6: Final answer
    x = 34,990.30

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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.