Home / 65,062.12-89,786.42-38,204.95

Finding the Fourth Proportional to 65,062.12, 89,786.42 and 38,204.95

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Solution

The fourth proportional to 65,062.12, 89,786.42 and 38,204.95 is: 52,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,062.12 : 89,786.42 = 38,204.95 : x
  2. Step 2: Convert to fraction form
    65,062.12/89,786.42 = 38,204.95/x
  3. Step 3: Cross multiply
    65,062.12x = 89,786.42 × 38,204.95
  4. Step 4: Simplify right side
    65,062.12x = 3,430,285,686.78
  5. Step 5: Solve for x
    x = 3,430,285,686.78/65,062.12
  6. Step 6: Final answer
    x = 52,723.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.