Home / 85,281.84-127,923.84-47,836.08

Finding the Fourth Proportional to 85,281.84, 127,923.84 and 47,836.08

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Solution

The fourth proportional to 85,281.84, 127,923.84 and 47,836.08 is: 71,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,281.84 : 127,923.84 = 47,836.08 : x
  2. Step 2: Convert to fraction form
    85,281.84/127,923.84 = 47,836.08/x
  3. Step 3: Cross multiply
    85,281.84x = 127,923.84 × 47,836.08
  4. Step 4: Simplify right side
    85,281.84x = 6,119,375,044.15
  5. Step 5: Solve for x
    x = 6,119,375,044.15/85,281.84
  6. Step 6: Final answer
    x = 71,754.73

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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.