Home / 75,679.17-104,328.16-52,947.73

Finding the Fourth Proportional to 75,679.17, 104,328.16 and 52,947.73

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Solution

The fourth proportional to 75,679.17, 104,328.16 and 52,947.73 is: 72,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.17 : 104,328.16 = 52,947.73 : x
  2. Step 2: Convert to fraction form
    75,679.17/104,328.16 = 52,947.73/x
  3. Step 3: Cross multiply
    75,679.17x = 104,328.16 × 52,947.73
  4. Step 4: Simplify right side
    75,679.17x = 5,523,939,247.08
  5. Step 5: Solve for x
    x = 5,523,939,247.08/75,679.17
  6. Step 6: Final answer
    x = 72,991.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.