Home / 42,541.04-63,811.55-11,375.48

Finding the Fourth Proportional to 42,541.04, 63,811.55 and 11,375.48

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Solution

The fourth proportional to 42,541.04, 63,811.55 and 11,375.48 is: 17,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.04 : 63,811.55 = 11,375.48 : x
  2. Step 2: Convert to fraction form
    42,541.04/63,811.55 = 11,375.48/x
  3. Step 3: Cross multiply
    42,541.04x = 63,811.55 × 11,375.48
  4. Step 4: Simplify right side
    42,541.04x = 725,886,634.86
  5. Step 5: Solve for x
    x = 725,886,634.86/42,541.04
  6. Step 6: Final answer
    x = 17,063.21

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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.