Home / 75,575.65-113,568.08-40,540.45

Finding the Fourth Proportional to 75,575.65, 113,568.08 and 40,540.45

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Solution

The fourth proportional to 75,575.65, 113,568.08 and 40,540.45 is: 60,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,575.65 : 113,568.08 = 40,540.45 : x
  2. Step 2: Convert to fraction form
    75,575.65/113,568.08 = 40,540.45/x
  3. Step 3: Cross multiply
    75,575.65x = 113,568.08 × 40,540.45
  4. Step 4: Simplify right side
    75,575.65x = 4,604,101,068.84
  5. Step 5: Solve for x
    x = 4,604,101,068.84/75,575.65
  6. Step 6: Final answer
    x = 60,920.43

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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.