Home / 75,744.90-113,617.35-31,356.90

Finding the Fourth Proportional to 75,744.90, 113,617.35 and 31,356.90

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Solution

The fourth proportional to 75,744.90, 113,617.35 and 31,356.90 is: 47,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,744.90 : 113,617.35 = 31,356.90 : x
  2. Step 2: Convert to fraction form
    75,744.90/113,617.35 = 31,356.90/x
  3. Step 3: Cross multiply
    75,744.90x = 113,617.35 × 31,356.90
  4. Step 4: Simplify right side
    75,744.90x = 3,562,687,882.22
  5. Step 5: Solve for x
    x = 3,562,687,882.22/75,744.90
  6. Step 6: Final answer
    x = 47,035.35

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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.