Home / 60,921.10-91,280.40-58,617.46

Finding the Fourth Proportional to 60,921.10, 91,280.40 and 58,617.46

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Solution

The fourth proportional to 60,921.10, 91,280.40 and 58,617.46 is: 87,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,921.10 : 91,280.40 = 58,617.46 : x
  2. Step 2: Convert to fraction form
    60,921.10/91,280.40 = 58,617.46/x
  3. Step 3: Cross multiply
    60,921.10x = 91,280.40 × 58,617.46
  4. Step 4: Simplify right side
    60,921.10x = 5,350,625,195.78
  5. Step 5: Solve for x
    x = 5,350,625,195.78/60,921.10
  6. Step 6: Final answer
    x = 87,828.77

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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.