Home / 69,660.05-96,160.30-47,029.70

Finding the Fourth Proportional to 69,660.05, 96,160.30 and 47,029.70

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Solution

The fourth proportional to 69,660.05, 96,160.30 and 47,029.70 is: 64,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.05 : 96,160.30 = 47,029.70 : x
  2. Step 2: Convert to fraction form
    69,660.05/96,160.30 = 47,029.70/x
  3. Step 3: Cross multiply
    69,660.05x = 96,160.30 × 47,029.70
  4. Step 4: Simplify right side
    69,660.05x = 4,522,389,462.53
  5. Step 5: Solve for x
    x = 4,522,389,462.53/69,660.05
  6. Step 6: Final answer
    x = 64,920.84

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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.