Home / 60,710.10-91,065.15-45,947.85

Finding the Fourth Proportional to 60,710.10, 91,065.15 and 45,947.85

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Solution

The fourth proportional to 60,710.10, 91,065.15 and 45,947.85 is: 68,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,710.10 : 91,065.15 = 45,947.85 : x
  2. Step 2: Convert to fraction form
    60,710.10/91,065.15 = 45,947.85/x
  3. Step 3: Cross multiply
    60,710.10x = 91,065.15 × 45,947.85
  4. Step 4: Simplify right side
    60,710.10x = 4,184,247,852.43
  5. Step 5: Solve for x
    x = 4,184,247,852.43/60,710.10
  6. Step 6: Final answer
    x = 68,921.78

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Similar ratio
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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.