Home / 60,448.20-90,672.30-51,505.80

Finding the Fourth Proportional to 60,448.20, 90,672.30 and 51,505.80

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Solution

The fourth proportional to 60,448.20, 90,672.30 and 51,505.80 is: 77,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,448.20 : 90,672.30 = 51,505.80 : x
  2. Step 2: Convert to fraction form
    60,448.20/90,672.30 = 51,505.80/x
  3. Step 3: Cross multiply
    60,448.20x = 90,672.30 × 51,505.80
  4. Step 4: Simplify right side
    60,448.20x = 4,670,149,349.34
  5. Step 5: Solve for x
    x = 4,670,149,349.34/60,448.20
  6. Step 6: Final answer
    x = 77,258.70

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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.