Home / 55,981.77-83,563.08-49,338.99

Finding the Fourth Proportional to 55,981.77, 83,563.08 and 49,338.99

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Solution

The fourth proportional to 55,981.77, 83,563.08 and 49,338.99 is: 73,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.77 : 83,563.08 = 49,338.99 : x
  2. Step 2: Convert to fraction form
    55,981.77/83,563.08 = 49,338.99/x
  3. Step 3: Cross multiply
    55,981.77x = 83,563.08 × 49,338.99
  4. Step 4: Simplify right side
    55,981.77x = 4,122,917,968.49
  5. Step 5: Solve for x
    x = 4,122,917,968.49/55,981.77
  6. Step 6: Final answer
    x = 73,647.51

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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.