Home / 99,334.62-137,083.59-54,013.64

Finding the Fourth Proportional to 99,334.62, 137,083.59 and 54,013.64

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Solution

The fourth proportional to 99,334.62, 137,083.59 and 54,013.64 is: 74,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,334.62 : 137,083.59 = 54,013.64 : x
  2. Step 2: Convert to fraction form
    99,334.62/137,083.59 = 54,013.64/x
  3. Step 3: Cross multiply
    99,334.62x = 137,083.59 × 54,013.64
  4. Step 4: Simplify right side
    99,334.62x = 7,404,382,994.75
  5. Step 5: Solve for x
    x = 7,404,382,994.75/99,334.62
  6. Step 6: Final answer
    x = 74,539.80

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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.