Home / 99,994.13-137,992.14-54,675.04

Finding the Fourth Proportional to 99,994.13, 137,992.14 and 54,675.04

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Solution

The fourth proportional to 99,994.13, 137,992.14 and 54,675.04 is: 75,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994.13 : 137,992.14 = 54,675.04 : x
  2. Step 2: Convert to fraction form
    99,994.13/137,992.14 = 54,675.04/x
  3. Step 3: Cross multiply
    99,994.13x = 137,992.14 × 54,675.04
  4. Step 4: Simplify right side
    99,994.13x = 7,544,725,084.22
  5. Step 5: Solve for x
    x = 7,544,725,084.22/99,994.13
  6. Step 6: Final answer
    x = 75,451.68

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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.