Home / 53,738.62-74,153.38-31,074.18

Finding the Fourth Proportional to 53,738.62, 74,153.38 and 31,074.18

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Solution

The fourth proportional to 53,738.62, 74,153.38 and 31,074.18 is: 42,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.62 : 74,153.38 = 31,074.18 : x
  2. Step 2: Convert to fraction form
    53,738.62/74,153.38 = 31,074.18/x
  3. Step 3: Cross multiply
    53,738.62x = 74,153.38 × 31,074.18
  4. Step 4: Simplify right side
    53,738.62x = 2,304,255,477.73
  5. Step 5: Solve for x
    x = 2,304,255,477.73/53,738.62
  6. Step 6: Final answer
    x = 42,878.95

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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.