Home / 84,554.30-126,739.92-54,993.35

Finding the Fourth Proportional to 84,554.30, 126,739.92 and 54,993.35

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Solution

The fourth proportional to 84,554.30, 126,739.92 and 54,993.35 is: 82,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,554.30 : 126,739.92 = 54,993.35 : x
  2. Step 2: Convert to fraction form
    84,554.30/126,739.92 = 54,993.35/x
  3. Step 3: Cross multiply
    84,554.30x = 126,739.92 × 54,993.35
  4. Step 4: Simplify right side
    84,554.30x = 6,969,852,779.53
  5. Step 5: Solve for x
    x = 6,969,852,779.53/84,554.30
  6. Step 6: Final answer
    x = 82,430.49

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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.