Home / 75,222.87-103,819-48,010.71

Finding the Fourth Proportional to 75,222.87, 103,819 and 48,010.71

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Solution

The fourth proportional to 75,222.87, 103,819 and 48,010.71 is: 66,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222.87 : 103,819 = 48,010.71 : x
  2. Step 2: Convert to fraction form
    75,222.87/103,819 = 48,010.71/x
  3. Step 3: Cross multiply
    75,222.87x = 103,819 × 48,010.71
  4. Step 4: Simplify right side
    75,222.87x = 4,984,423,901.49
  5. Step 5: Solve for x
    x = 4,984,423,901.49/75,222.87
  6. Step 6: Final answer
    x = 66,262.08

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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.