Home / 84,069.04-126,133.68-36,017.50

Finding the Fourth Proportional to 84,069.04, 126,133.68 and 36,017.50

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Solution

The fourth proportional to 84,069.04, 126,133.68 and 36,017.50 is: 54,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,069.04 : 126,133.68 = 36,017.50 : x
  2. Step 2: Convert to fraction form
    84,069.04/126,133.68 = 36,017.50/x
  3. Step 3: Cross multiply
    84,069.04x = 126,133.68 × 36,017.50
  4. Step 4: Simplify right side
    84,069.04x = 4,543,019,819.40
  5. Step 5: Solve for x
    x = 4,543,019,819.40/84,069.04
  6. Step 6: Final answer
    x = 54,039.15

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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.