Home / 43,718.40-65,545.20-29,643.30

Finding the Fourth Proportional to 43,718.40, 65,545.20 and 29,643.30

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Solution

The fourth proportional to 43,718.40, 65,545.20 and 29,643.30 is: 44,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,718.40 : 65,545.20 = 29,643.30 : x
  2. Step 2: Convert to fraction form
    43,718.40/65,545.20 = 29,643.30/x
  3. Step 3: Cross multiply
    43,718.40x = 65,545.20 × 29,643.30
  4. Step 4: Simplify right side
    43,718.40x = 1,942,976,027.16
  5. Step 5: Solve for x
    x = 1,942,976,027.16/43,718.40
  6. Step 6: Final answer
    x = 44,442.98

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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.