Home / 81,426.90-112,376.03-45,616.42

Finding the Fourth Proportional to 81,426.90, 112,376.03 and 45,616.42

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Solution

The fourth proportional to 81,426.90, 112,376.03 and 45,616.42 is: 62,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,426.90 : 112,376.03 = 45,616.42 : x
  2. Step 2: Convert to fraction form
    81,426.90/112,376.03 = 45,616.42/x
  3. Step 3: Cross multiply
    81,426.90x = 112,376.03 × 45,616.42
  4. Step 4: Simplify right side
    81,426.90x = 5,126,192,182.41
  5. Step 5: Solve for x
    x = 5,126,192,182.41/81,426.90
  6. Step 6: Final answer
    x = 62,954.53

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1.5x scale

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.