Home / 75,399.28-112,926.61-35,984.07

Finding the Fourth Proportional to 75,399.28, 112,926.61 and 35,984.07

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Solution

The fourth proportional to 75,399.28, 112,926.61 and 35,984.07 is: 53,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,399.28 : 112,926.61 = 35,984.07 : x
  2. Step 2: Convert to fraction form
    75,399.28/112,926.61 = 35,984.07/x
  3. Step 3: Cross multiply
    75,399.28x = 112,926.61 × 35,984.07
  4. Step 4: Simplify right side
    75,399.28x = 4,063,559,039.10
  5. Step 5: Solve for x
    x = 4,063,559,039.10/75,399.28
  6. Step 6: Final answer
    x = 53,893.87

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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.