Home / 69,280.63-95,625.23-45,147.76

Finding the Fourth Proportional to 69,280.63, 95,625.23 and 45,147.76

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Solution

The fourth proportional to 69,280.63, 95,625.23 and 45,147.76 is: 62,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,280.63 : 95,625.23 = 45,147.76 : x
  2. Step 2: Convert to fraction form
    69,280.63/95,625.23 = 45,147.76/x
  3. Step 3: Cross multiply
    69,280.63x = 95,625.23 × 45,147.76
  4. Step 4: Simplify right side
    69,280.63x = 4,317,264,469.18
  5. Step 5: Solve for x
    x = 4,317,264,469.18/69,280.63
  6. Step 6: Final answer
    x = 62,315.61

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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.