Home / 84,381.09-126,571.75-34,461.19

Finding the Fourth Proportional to 84,381.09, 126,571.75 and 34,461.19

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Solution

The fourth proportional to 84,381.09, 126,571.75 and 34,461.19 is: 51,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,381.09 : 126,571.75 = 34,461.19 : x
  2. Step 2: Convert to fraction form
    84,381.09/126,571.75 = 34,461.19/x
  3. Step 3: Cross multiply
    84,381.09x = 126,571.75 × 34,461.19
  4. Step 4: Simplify right side
    84,381.09x = 4,361,812,679.32
  5. Step 5: Solve for x
    x = 4,361,812,679.32/84,381.09
  6. Step 6: Final answer
    x = 51,691.83

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1.5x scale

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.