Home / 79,237.20-118,775.84-49,675.80

Finding the Fourth Proportional to 79,237.20, 118,775.84 and 49,675.80

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Solution

The fourth proportional to 79,237.20, 118,775.84 and 49,675.80 is: 74,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,237.20 : 118,775.84 = 49,675.80 : x
  2. Step 2: Convert to fraction form
    79,237.20/118,775.84 = 49,675.80/x
  3. Step 3: Cross multiply
    79,237.20x = 118,775.84 × 49,675.80
  4. Step 4: Simplify right side
    79,237.20x = 5,900,284,872.67
  5. Step 5: Solve for x
    x = 5,900,284,872.67/79,237.20
  6. Step 6: Final answer
    x = 74,463.57

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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.