Home / 60,134.40-82,944-49,507.20

Finding the Fourth Proportional to 60,134.40, 82,944 and 49,507.20

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Solution

The fourth proportional to 60,134.40, 82,944 and 49,507.20 is: 68,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,134.40 : 82,944 = 49,507.20 : x
  2. Step 2: Convert to fraction form
    60,134.40/82,944 = 49,507.20/x
  3. Step 3: Cross multiply
    60,134.40x = 82,944 × 49,507.20
  4. Step 4: Simplify right side
    60,134.40x = 4,106,325,196.80
  5. Step 5: Solve for x
    x = 4,106,325,196.80/60,134.40
  6. Step 6: Final answer
    x = 68,285.79

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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.