Home / 84,054.80-126,013.50-39,104.18

Finding the Fourth Proportional to 84,054.80, 126,013.50 and 39,104.18

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Solution

The fourth proportional to 84,054.80, 126,013.50 and 39,104.18 is: 58,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,054.80 : 126,013.50 = 39,104.18 : x
  2. Step 2: Convert to fraction form
    84,054.80/126,013.50 = 39,104.18/x
  3. Step 3: Cross multiply
    84,054.80x = 126,013.50 × 39,104.18
  4. Step 4: Simplify right side
    84,054.80x = 4,927,654,587.79
  5. Step 5: Solve for x
    x = 4,927,654,587.79/84,054.80
  6. Step 6: Final answer
    x = 58,624.31

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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.