Home / 75,363.75-104,002.38-47,085.84

Finding the Fourth Proportional to 75,363.75, 104,002.38 and 47,085.84

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Solution

The fourth proportional to 75,363.75, 104,002.38 and 47,085.84 is: 64,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,363.75 : 104,002.38 = 47,085.84 : x
  2. Step 2: Convert to fraction form
    75,363.75/104,002.38 = 47,085.84/x
  3. Step 3: Cross multiply
    75,363.75x = 104,002.38 × 47,085.84
  4. Step 4: Simplify right side
    75,363.75x = 4,897,039,424.30
  5. Step 5: Solve for x
    x = 4,897,039,424.30/75,363.75
  6. Step 6: Final answer
    x = 64,978.71

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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.