Home / 75,400.42-104,006.28-54,208.12

Finding the Fourth Proportional to 75,400.42, 104,006.28 and 54,208.12

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Solution

The fourth proportional to 75,400.42, 104,006.28 and 54,208.12 is: 74,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,400.42 : 104,006.28 = 54,208.12 : x
  2. Step 2: Convert to fraction form
    75,400.42/104,006.28 = 54,208.12/x
  3. Step 3: Cross multiply
    75,400.42x = 104,006.28 × 54,208.12
  4. Step 4: Simplify right side
    75,400.42x = 5,637,984,906.99
  5. Step 5: Solve for x
    x = 5,637,984,906.99/75,400.42
  6. Step 6: Final answer
    x = 74,773.92

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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.