Home / 69,612.62-96,064.38-39,403.67

Finding the Fourth Proportional to 69,612.62, 96,064.38 and 39,403.67

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Solution

The fourth proportional to 69,612.62, 96,064.38 and 39,403.67 is: 54,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.62 : 96,064.38 = 39,403.67 : x
  2. Step 2: Convert to fraction form
    69,612.62/96,064.38 = 39,403.67/x
  3. Step 3: Cross multiply
    69,612.62x = 96,064.38 × 39,403.67
  4. Step 4: Simplify right side
    69,612.62x = 3,785,288,647.95
  5. Step 5: Solve for x
    x = 3,785,288,647.95/69,612.62
  6. Step 6: Final answer
    x = 54,376.48

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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.