Home / 43,421.05-65,141.81-34,569.84

Finding the Fourth Proportional to 43,421.05, 65,141.81 and 34,569.84

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Solution

The fourth proportional to 43,421.05, 65,141.81 and 34,569.84 is: 51,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421.05 : 65,141.81 = 34,569.84 : x
  2. Step 2: Convert to fraction form
    43,421.05/65,141.81 = 34,569.84/x
  3. Step 3: Cross multiply
    43,421.05x = 65,141.81 × 34,569.84
  4. Step 4: Simplify right side
    43,421.05x = 2,251,941,949.01
  5. Step 5: Solve for x
    x = 2,251,941,949.01/43,421.05
  6. Step 6: Final answer
    x = 51,862.91

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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.