Home / 48,474.30-72,711.45-17,312.70

Finding the Fourth Proportional to 48,474.30, 72,711.45 and 17,312.70

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Solution

The fourth proportional to 48,474.30, 72,711.45 and 17,312.70 is: 25,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,474.30 : 72,711.45 = 17,312.70 : x
  2. Step 2: Convert to fraction form
    48,474.30/72,711.45 = 17,312.70/x
  3. Step 3: Cross multiply
    48,474.30x = 72,711.45 × 17,312.70
  4. Step 4: Simplify right side
    48,474.30x = 1,258,831,520.42
  5. Step 5: Solve for x
    x = 1,258,831,520.42/48,474.30
  6. Step 6: Final answer
    x = 25,969.05

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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.