Home / 75,774.25-104,571.72-42,240.25

Finding the Fourth Proportional to 75,774.25, 104,571.72 and 42,240.25

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Solution

The fourth proportional to 75,774.25, 104,571.72 and 42,240.25 is: 58,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,774.25 : 104,571.72 = 42,240.25 : x
  2. Step 2: Convert to fraction form
    75,774.25/104,571.72 = 42,240.25/x
  3. Step 3: Cross multiply
    75,774.25x = 104,571.72 × 42,240.25
  4. Step 4: Simplify right side
    75,774.25x = 4,417,135,595.73
  5. Step 5: Solve for x
    x = 4,417,135,595.73/75,774.25
  6. Step 6: Final answer
    x = 58,293.36

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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.