Home / 66,765.24-92,136.06-38,470.68

Finding the Fourth Proportional to 66,765.24, 92,136.06 and 38,470.68

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Solution

The fourth proportional to 66,765.24, 92,136.06 and 38,470.68 is: 53,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,765.24 : 92,136.06 = 38,470.68 : x
  2. Step 2: Convert to fraction form
    66,765.24/92,136.06 = 38,470.68/x
  3. Step 3: Cross multiply
    66,765.24x = 92,136.06 × 38,470.68
  4. Step 4: Simplify right side
    66,765.24x = 3,544,536,880.72
  5. Step 5: Solve for x
    x = 3,544,536,880.72/66,765.24
  6. Step 6: Final answer
    x = 53,089.55

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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.