Home / 75,445.64-113,012.94-44,186.12

Finding the Fourth Proportional to 75,445.64, 113,012.94 and 44,186.12

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Solution

The fourth proportional to 75,445.64, 113,012.94 and 44,186.12 is: 66,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.64 : 113,012.94 = 44,186.12 : x
  2. Step 2: Convert to fraction form
    75,445.64/113,012.94 = 44,186.12/x
  3. Step 3: Cross multiply
    75,445.64x = 113,012.94 × 44,186.12
  4. Step 4: Simplify right side
    75,445.64x = 4,993,603,328.39
  5. Step 5: Solve for x
    x = 4,993,603,328.39/75,445.64
  6. Step 6: Final answer
    x = 66,188.10

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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.