Home / 112,081.14-154,667.32-61,092.75

Finding the Fourth Proportional to 112,081.14, 154,667.32 and 61,092.75

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Solution

The fourth proportional to 112,081.14, 154,667.32 and 61,092.75 is: 84,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,081.14 : 154,667.32 = 61,092.75 : x
  2. Step 2: Convert to fraction form
    112,081.14/154,667.32 = 61,092.75/x
  3. Step 3: Cross multiply
    112,081.14x = 154,667.32 × 61,092.75
  4. Step 4: Simplify right side
    112,081.14x = 9,449,051,374.53
  5. Step 5: Solve for x
    x = 9,449,051,374.53/112,081.14
  6. Step 6: Final answer
    x = 84,305.45

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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.