Home / 42,586.08-63,870.48-11,414.04

Finding the Fourth Proportional to 42,586.08, 63,870.48 and 11,414.04

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Solution

The fourth proportional to 42,586.08, 63,870.48 and 11,414.04 is: 17,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,586.08 : 63,870.48 = 11,414.04 : x
  2. Step 2: Convert to fraction form
    42,586.08/63,870.48 = 11,414.04/x
  3. Step 3: Cross multiply
    42,586.08x = 63,870.48 × 11,414.04
  4. Step 4: Simplify right side
    42,586.08x = 729,020,213.54
  5. Step 5: Solve for x
    x = 729,020,213.54/42,586.08
  6. Step 6: Final answer
    x = 17,118.74

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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.