Home / 75,619.91-113,499.95-38,206.32

Finding the Fourth Proportional to 75,619.91, 113,499.95 and 38,206.32

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Solution

The fourth proportional to 75,619.91, 113,499.95 and 38,206.32 is: 57,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619.91 : 113,499.95 = 38,206.32 : x
  2. Step 2: Convert to fraction form
    75,619.91/113,499.95 = 38,206.32/x
  3. Step 3: Cross multiply
    75,619.91x = 113,499.95 × 38,206.32
  4. Step 4: Simplify right side
    75,619.91x = 4,336,415,218.65
  5. Step 5: Solve for x
    x = 4,336,415,218.65/75,619.91
  6. Step 6: Final answer
    x = 57,344.89

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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.