Home / 89,278.13-123,199.59-48,991.03

Finding the Fourth Proportional to 89,278.13, 123,199.59 and 48,991.03

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Solution

The fourth proportional to 89,278.13, 123,199.59 and 48,991.03 is: 67,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.13 : 123,199.59 = 48,991.03 : x
  2. Step 2: Convert to fraction form
    89,278.13/123,199.59 = 48,991.03/x
  3. Step 3: Cross multiply
    89,278.13x = 123,199.59 × 48,991.03
  4. Step 4: Simplify right side
    89,278.13x = 6,035,674,809.68
  5. Step 5: Solve for x
    x = 6,035,674,809.68/89,278.13
  6. Step 6: Final answer
    x = 67,605.30

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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.