Home / 75,530.36-113,139.90-44,290.28

Finding the Fourth Proportional to 75,530.36, 113,139.90 and 44,290.28

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Solution

The fourth proportional to 75,530.36, 113,139.90 and 44,290.28 is: 66,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.36 : 113,139.90 = 44,290.28 : x
  2. Step 2: Convert to fraction form
    75,530.36/113,139.90 = 44,290.28/x
  3. Step 3: Cross multiply
    75,530.36x = 113,139.90 × 44,290.28
  4. Step 4: Simplify right side
    75,530.36x = 5,010,997,850.17
  5. Step 5: Solve for x
    x = 5,010,997,850.17/75,530.36
  6. Step 6: Final answer
    x = 66,344.15

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1.5x scale

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.