Home / 74,772.18-103,132.71-47,922.30

Finding the Fourth Proportional to 74,772.18, 103,132.71 and 47,922.30

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Solution

The fourth proportional to 74,772.18, 103,132.71 and 47,922.30 is: 66,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,772.18 : 103,132.71 = 47,922.30 : x
  2. Step 2: Convert to fraction form
    74,772.18/103,132.71 = 47,922.30/x
  3. Step 3: Cross multiply
    74,772.18x = 103,132.71 × 47,922.30
  4. Step 4: Simplify right side
    74,772.18x = 4,942,356,668.43
  5. Step 5: Solve for x
    x = 4,942,356,668.43/74,772.18
  6. Step 6: Final answer
    x = 66,098.87

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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.