Home / 75,785.32-113,690.94-23,189.32

Finding the Fourth Proportional to 75,785.32, 113,690.94 and 23,189.32

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Solution

The fourth proportional to 75,785.32, 113,690.94 and 23,189.32 is: 34,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,785.32 : 113,690.94 = 23,189.32 : x
  2. Step 2: Convert to fraction form
    75,785.32/113,690.94 = 23,189.32/x
  3. Step 3: Cross multiply
    75,785.32x = 113,690.94 × 23,189.32
  4. Step 4: Simplify right side
    75,785.32x = 2,636,415,588.76
  5. Step 5: Solve for x
    x = 2,636,415,588.76/75,785.32
  6. Step 6: Final answer
    x = 34,787.95

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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.