Home / 42,869.18-64,527.32-38,794.04

Finding the Fourth Proportional to 42,869.18, 64,527.32 and 38,794.04

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Solution

The fourth proportional to 42,869.18, 64,527.32 and 38,794.04 is: 58,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.18 : 64,527.32 = 38,794.04 : x
  2. Step 2: Convert to fraction form
    42,869.18/64,527.32 = 38,794.04/x
  3. Step 3: Cross multiply
    42,869.18x = 64,527.32 × 38,794.04
  4. Step 4: Simplify right side
    42,869.18x = 2,503,275,433.17
  5. Step 5: Solve for x
    x = 2,503,275,433.17/42,869.18
  6. Step 6: Final answer
    x = 58,393.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.