Home / 76,494.11-105,531.63-44,222.78

Finding the Fourth Proportional to 76,494.11, 105,531.63 and 44,222.78

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Solution

The fourth proportional to 76,494.11, 105,531.63 and 44,222.78 is: 61,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494.11 : 105,531.63 = 44,222.78 : x
  2. Step 2: Convert to fraction form
    76,494.11/105,531.63 = 44,222.78/x
  3. Step 3: Cross multiply
    76,494.11x = 105,531.63 × 44,222.78
  4. Step 4: Simplify right side
    76,494.11x = 4,666,901,528.87
  5. Step 5: Solve for x
    x = 4,666,901,528.87/76,494.11
  6. Step 6: Final answer
    x = 61,009.95

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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.