Home / 75,915.11-113,941.76-40,406.24

Finding the Fourth Proportional to 75,915.11, 113,941.76 and 40,406.24

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Solution

The fourth proportional to 75,915.11, 113,941.76 and 40,406.24 is: 60,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,915.11 : 113,941.76 = 40,406.24 : x
  2. Step 2: Convert to fraction form
    75,915.11/113,941.76 = 40,406.24/x
  3. Step 3: Cross multiply
    75,915.11x = 113,941.76 × 40,406.24
  4. Step 4: Simplify right side
    75,915.11x = 4,603,958,100.58
  5. Step 5: Solve for x
    x = 4,603,958,100.58/75,915.11
  6. Step 6: Final answer
    x = 60,646.14

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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.