Home / 75,469.21-104,253.77-71,483.40

Finding the Fourth Proportional to 75,469.21, 104,253.77 and 71,483.40

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Solution

The fourth proportional to 75,469.21, 104,253.77 and 71,483.40 is: 98,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.21 : 104,253.77 = 71,483.40 : x
  2. Step 2: Convert to fraction form
    75,469.21/104,253.77 = 71,483.40/x
  3. Step 3: Cross multiply
    75,469.21x = 104,253.77 × 71,483.40
  4. Step 4: Simplify right side
    75,469.21x = 7,452,413,942.42
  5. Step 5: Solve for x
    x = 7,452,413,942.42/75,469.21
  6. Step 6: Final answer
    x = 98,747.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.