Home / 84,222.85-126,267.21-48,643.69

Finding the Fourth Proportional to 84,222.85, 126,267.21 and 48,643.69

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Solution

The fourth proportional to 84,222.85, 126,267.21 and 48,643.69 is: 72,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,222.85 : 126,267.21 = 48,643.69 : x
  2. Step 2: Convert to fraction form
    84,222.85/126,267.21 = 48,643.69/x
  3. Step 3: Cross multiply
    84,222.85x = 126,267.21 × 48,643.69
  4. Step 4: Simplify right side
    84,222.85x = 6,142,103,020.40
  5. Step 5: Solve for x
    x = 6,142,103,020.40/84,222.85
  6. Step 6: Final answer
    x = 72,926.80

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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.