Home / 75,733.80-113,528.25-28,336.02

Finding the Fourth Proportional to 75,733.80, 113,528.25 and 28,336.02

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Solution

The fourth proportional to 75,733.80, 113,528.25 and 28,336.02 is: 42,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,733.80 : 113,528.25 = 28,336.02 : x
  2. Step 2: Convert to fraction form
    75,733.80/113,528.25 = 28,336.02/x
  3. Step 3: Cross multiply
    75,733.80x = 113,528.25 × 28,336.02
  4. Step 4: Simplify right side
    75,733.80x = 3,216,938,762.57
  5. Step 5: Solve for x
    x = 3,216,938,762.57/75,733.80
  6. Step 6: Final answer
    x = 42,476.92

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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.