Home / 66,616.74-91,941.24-38,320.62

Finding the Fourth Proportional to 66,616.74, 91,941.24 and 38,320.62

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Solution

The fourth proportional to 66,616.74, 91,941.24 and 38,320.62 is: 52,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,616.74 : 91,941.24 = 38,320.62 : x
  2. Step 2: Convert to fraction form
    66,616.74/91,941.24 = 38,320.62/x
  3. Step 3: Cross multiply
    66,616.74x = 91,941.24 × 38,320.62
  4. Step 4: Simplify right side
    66,616.74x = 3,523,245,320.37
  5. Step 5: Solve for x
    x = 3,523,245,320.37/66,616.74
  6. Step 6: Final answer
    x = 52,888.29

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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.