Home / 60,769.60-91,111.20-23,315.20

Finding the Fourth Proportional to 60,769.60, 91,111.20 and 23,315.20

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Solution

The fourth proportional to 60,769.60, 91,111.20 and 23,315.20 is: 34,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,769.60 : 91,111.20 = 23,315.20 : x
  2. Step 2: Convert to fraction form
    60,769.60/91,111.20 = 23,315.20/x
  3. Step 3: Cross multiply
    60,769.60x = 91,111.20 × 23,315.20
  4. Step 4: Simplify right side
    60,769.60x = 2,124,275,850.24
  5. Step 5: Solve for x
    x = 2,124,275,850.24/60,769.60
  6. Step 6: Final answer
    x = 34,956.23

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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.