Home / 43,420.55-65,141.07-34,569.35

Finding the Fourth Proportional to 43,420.55, 65,141.07 and 34,569.35

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Solution

The fourth proportional to 43,420.55, 65,141.07 and 34,569.35 is: 51,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,420.55 : 65,141.07 = 34,569.35 : x
  2. Step 2: Convert to fraction form
    43,420.55/65,141.07 = 34,569.35/x
  3. Step 3: Cross multiply
    43,420.55x = 65,141.07 × 34,569.35
  4. Step 4: Simplify right side
    43,420.55x = 2,251,883,949.65
  5. Step 5: Solve for x
    x = 2,251,883,949.65/43,420.55
  6. Step 6: Final answer
    x = 51,862.17

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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.