Home / 75,984.28-113,942.95-40,437.02

Finding the Fourth Proportional to 75,984.28, 113,942.95 and 40,437.02

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Solution

The fourth proportional to 75,984.28, 113,942.95 and 40,437.02 is: 60,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,984.28 : 113,942.95 = 40,437.02 : x
  2. Step 2: Convert to fraction form
    75,984.28/113,942.95 = 40,437.02/x
  3. Step 3: Cross multiply
    75,984.28x = 113,942.95 × 40,437.02
  4. Step 4: Simplify right side
    75,984.28x = 4,607,513,759.23
  5. Step 5: Solve for x
    x = 4,607,513,759.23/75,984.28
  6. Step 6: Final answer
    x = 60,637.73

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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.