Home / 74,926.74-112,406.85-28,180.02

Finding the Fourth Proportional to 74,926.74, 112,406.85 and 28,180.02

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Solution

The fourth proportional to 74,926.74, 112,406.85 and 28,180.02 is: 42,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,926.74 : 112,406.85 = 28,180.02 : x
  2. Step 2: Convert to fraction form
    74,926.74/112,406.85 = 28,180.02/x
  3. Step 3: Cross multiply
    74,926.74x = 112,406.85 × 28,180.02
  4. Step 4: Simplify right side
    74,926.74x = 3,167,627,281.14
  5. Step 5: Solve for x
    x = 3,167,627,281.14/74,926.74
  6. Step 6: Final answer
    x = 42,276.33

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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.