Home / 75,381.19-112,923.96-43,724.73

Finding the Fourth Proportional to 75,381.19, 112,923.96 and 43,724.73

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Solution

The fourth proportional to 75,381.19, 112,923.96 and 43,724.73 is: 65,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,381.19 : 112,923.96 = 43,724.73 : x
  2. Step 2: Convert to fraction form
    75,381.19/112,923.96 = 43,724.73/x
  3. Step 3: Cross multiply
    75,381.19x = 112,923.96 × 43,724.73
  4. Step 4: Simplify right side
    75,381.19x = 4,937,569,661.53
  5. Step 5: Solve for x
    x = 4,937,569,661.53/75,381.19
  6. Step 6: Final answer
    x = 65,501.35

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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.