Home / 84,502.75-126,878.73-47,135.83

Finding the Fourth Proportional to 84,502.75, 126,878.73 and 47,135.83

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Solution

The fourth proportional to 84,502.75, 126,878.73 and 47,135.83 is: 70,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,502.75 : 126,878.73 = 47,135.83 : x
  2. Step 2: Convert to fraction form
    84,502.75/126,878.73 = 47,135.83/x
  3. Step 3: Cross multiply
    84,502.75x = 126,878.73 × 47,135.83
  4. Step 4: Simplify right side
    84,502.75x = 5,980,534,247.90
  5. Step 5: Solve for x
    x = 5,980,534,247.90/84,502.75
  6. Step 6: Final answer
    x = 70,773.25

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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.