Home / 75,718.35-113,568.48-31,339.80

Finding the Fourth Proportional to 75,718.35, 113,568.48 and 31,339.80

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Solution

The fourth proportional to 75,718.35, 113,568.48 and 31,339.80 is: 47,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,718.35 : 113,568.48 = 31,339.80 : x
  2. Step 2: Convert to fraction form
    75,718.35/113,568.48 = 31,339.80/x
  3. Step 3: Cross multiply
    75,718.35x = 113,568.48 × 31,339.80
  4. Step 4: Simplify right side
    75,718.35x = 3,559,213,449.50
  5. Step 5: Solve for x
    x = 3,559,213,449.50/75,718.35
  6. Step 6: Final answer
    x = 47,005.96

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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.