Home / 74,364.66-111,619.89-54,587.16

Finding the Fourth Proportional to 74,364.66, 111,619.89 and 54,587.16

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Solution

The fourth proportional to 74,364.66, 111,619.89 and 54,587.16 is: 81,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.66 : 111,619.89 = 54,587.16 : x
  2. Step 2: Convert to fraction form
    74,364.66/111,619.89 = 54,587.16/x
  3. Step 3: Cross multiply
    74,364.66x = 111,619.89 × 54,587.16
  4. Step 4: Simplify right side
    74,364.66x = 6,093,012,794.61
  5. Step 5: Solve for x
    x = 6,093,012,794.61/74,364.66
  6. Step 6: Final answer
    x = 81,934.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.