Home / 74,836.91-112,222.41-28,056.98

Finding the Fourth Proportional to 74,836.91, 112,222.41 and 28,056.98

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Solution

The fourth proportional to 74,836.91, 112,222.41 and 28,056.98 is: 42,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.91 : 112,222.41 = 28,056.98 : x
  2. Step 2: Convert to fraction form
    74,836.91/112,222.41 = 28,056.98/x
  3. Step 3: Cross multiply
    74,836.91x = 112,222.41 × 28,056.98
  4. Step 4: Simplify right side
    74,836.91x = 3,148,621,351.81
  5. Step 5: Solve for x
    x = 3,148,621,351.81/74,836.91
  6. Step 6: Final answer
    x = 42,073.11

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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.