Home / 42,066.87-63,081.83-15,753.16

Finding the Fourth Proportional to 42,066.87, 63,081.83 and 15,753.16

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Solution

The fourth proportional to 42,066.87, 63,081.83 and 15,753.16 is: 23,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,066.87 : 63,081.83 = 15,753.16 : x
  2. Step 2: Convert to fraction form
    42,066.87/63,081.83 = 15,753.16/x
  3. Step 3: Cross multiply
    42,066.87x = 63,081.83 × 15,753.16
  4. Step 4: Simplify right side
    42,066.87x = 993,738,161.08
  5. Step 5: Solve for x
    x = 993,738,161.08/42,066.87
  6. Step 6: Final answer
    x = 23,622.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.