Home / 75,965.24-113,938.90-47,802.20

Finding the Fourth Proportional to 75,965.24, 113,938.90 and 47,802.20

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Solution

The fourth proportional to 75,965.24, 113,938.90 and 47,802.20 is: 71,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,965.24 : 113,938.90 = 47,802.20 : x
  2. Step 2: Convert to fraction form
    75,965.24/113,938.90 = 47,802.20/x
  3. Step 3: Cross multiply
    75,965.24x = 113,938.90 × 47,802.20
  4. Step 4: Simplify right side
    75,965.24x = 5,446,530,085.58
  5. Step 5: Solve for x
    x = 5,446,530,085.58/75,965.24
  6. Step 6: Final answer
    x = 71,697.66

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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.