Home / 52,047.50-78,073.42-15,111.50

Finding the Fourth Proportional to 52,047.50, 78,073.42 and 15,111.50

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Solution

The fourth proportional to 52,047.50, 78,073.42 and 15,111.50 is: 22,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,047.50 : 78,073.42 = 15,111.50 : x
  2. Step 2: Convert to fraction form
    52,047.50/78,073.42 = 15,111.50/x
  3. Step 3: Cross multiply
    52,047.50x = 78,073.42 × 15,111.50
  4. Step 4: Simplify right side
    52,047.50x = 1,179,806,486.33
  5. Step 5: Solve for x
    x = 1,179,806,486.33/52,047.50
  6. Step 6: Final answer
    x = 22,667.88

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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.