Home / 84,589.90-126,885.72-34,012.31

Finding the Fourth Proportional to 84,589.90, 126,885.72 and 34,012.31

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Solution

The fourth proportional to 84,589.90, 126,885.72 and 34,012.31 is: 51,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,589.90 : 126,885.72 = 34,012.31 : x
  2. Step 2: Convert to fraction form
    84,589.90/126,885.72 = 34,012.31/x
  3. Step 3: Cross multiply
    84,589.90x = 126,885.72 × 34,012.31
  4. Step 4: Simplify right side
    84,589.90x = 4,315,676,443.21
  5. Step 5: Solve for x
    x = 4,315,676,443.21/84,589.90
  6. Step 6: Final answer
    x = 51,018.81

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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.