Home / 48,135.75-66,290.49-47,105.43

Finding the Fourth Proportional to 48,135.75, 66,290.49 and 47,105.43

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Solution

The fourth proportional to 48,135.75, 66,290.49 and 47,105.43 is: 64,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.75 : 66,290.49 = 47,105.43 : x
  2. Step 2: Convert to fraction form
    48,135.75/66,290.49 = 47,105.43/x
  3. Step 3: Cross multiply
    48,135.75x = 66,290.49 × 47,105.43
  4. Step 4: Simplify right side
    48,135.75x = 3,122,642,036.36
  5. Step 5: Solve for x
    x = 3,122,642,036.36/48,135.75
  6. Step 6: Final answer
    x = 64,871.58

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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.