Home / 60,149.36-90,223.56-47,012.78

Finding the Fourth Proportional to 60,149.36, 90,223.56 and 47,012.78

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Solution

The fourth proportional to 60,149.36, 90,223.56 and 47,012.78 is: 70,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,149.36 : 90,223.56 = 47,012.78 : x
  2. Step 2: Convert to fraction form
    60,149.36/90,223.56 = 47,012.78/x
  3. Step 3: Cross multiply
    60,149.36x = 90,223.56 × 47,012.78
  4. Step 4: Simplify right side
    60,149.36x = 4,241,660,377.10
  5. Step 5: Solve for x
    x = 4,241,660,377.10/60,149.36
  6. Step 6: Final answer
    x = 70,518.79

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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.