Home / 60,217.53-90,367.75-20,774.68

Finding the Fourth Proportional to 60,217.53, 90,367.75 and 20,774.68

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Solution

The fourth proportional to 60,217.53, 90,367.75 and 20,774.68 is: 31,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,217.53 : 90,367.75 = 20,774.68 : x
  2. Step 2: Convert to fraction form
    60,217.53/90,367.75 = 20,774.68/x
  3. Step 3: Cross multiply
    60,217.53x = 90,367.75 × 20,774.68
  4. Step 4: Simplify right side
    60,217.53x = 1,877,360,888.62
  5. Step 5: Solve for x
    x = 1,877,360,888.62/60,217.53
  6. Step 6: Final answer
    x = 31,176.32

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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.