Home / 42,868.18-64,525.81-38,793.04

Finding the Fourth Proportional to 42,868.18, 64,525.81 and 38,793.04

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Solution

The fourth proportional to 42,868.18, 64,525.81 and 38,793.04 is: 58,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,868.18 : 64,525.81 = 38,793.04 : x
  2. Step 2: Convert to fraction form
    42,868.18/64,525.81 = 38,793.04/x
  3. Step 3: Cross multiply
    42,868.18x = 64,525.81 × 38,793.04
  4. Step 4: Simplify right side
    42,868.18x = 2,503,152,328.36
  5. Step 5: Solve for x
    x = 2,503,152,328.36/42,868.18
  6. Step 6: Final answer
    x = 58,391.85

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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.