Home / 60,734.23-91,015.70-28,679.09

Finding the Fourth Proportional to 60,734.23, 91,015.70 and 28,679.09

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Solution

The fourth proportional to 60,734.23, 91,015.70 and 28,679.09 is: 42,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,734.23 : 91,015.70 = 28,679.09 : x
  2. Step 2: Convert to fraction form
    60,734.23/91,015.70 = 28,679.09/x
  3. Step 3: Cross multiply
    60,734.23x = 91,015.70 × 28,679.09
  4. Step 4: Simplify right side
    60,734.23x = 2,610,247,535.86
  5. Step 5: Solve for x
    x = 2,610,247,535.86/60,734.23
  6. Step 6: Final answer
    x = 42,978.20

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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.