Home / 52,767.36-78,808.32-45,768.96

Finding the Fourth Proportional to 52,767.36, 78,808.32 and 45,768.96

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Solution

The fourth proportional to 52,767.36, 78,808.32 and 45,768.96 is: 68,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,767.36 : 78,808.32 = 45,768.96 : x
  2. Step 2: Convert to fraction form
    52,767.36/78,808.32 = 45,768.96/x
  3. Step 3: Cross multiply
    52,767.36x = 78,808.32 × 45,768.96
  4. Step 4: Simplify right side
    52,767.36x = 3,606,974,845.75
  5. Step 5: Solve for x
    x = 3,606,974,845.75/52,767.36
  6. Step 6: Final answer
    x = 68,356.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.