Home / 75,865.90-113,798.85-49,293.85

Finding the Fourth Proportional to 75,865.90, 113,798.85 and 49,293.85

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Solution

The fourth proportional to 75,865.90, 113,798.85 and 49,293.85 is: 73,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.90 : 113,798.85 = 49,293.85 : x
  2. Step 2: Convert to fraction form
    75,865.90/113,798.85 = 49,293.85/x
  3. Step 3: Cross multiply
    75,865.90x = 113,798.85 × 49,293.85
  4. Step 4: Simplify right side
    75,865.90x = 5,609,583,442.07
  5. Step 5: Solve for x
    x = 5,609,583,442.07/75,865.90
  6. Step 6: Final answer
    x = 73,940.78

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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.