Home / 55,776.66-83,665.16-39,210.81

Finding the Fourth Proportional to 55,776.66, 83,665.16 and 39,210.81

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Solution

The fourth proportional to 55,776.66, 83,665.16 and 39,210.81 is: 58,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.66 : 83,665.16 = 39,210.81 : x
  2. Step 2: Convert to fraction form
    55,776.66/83,665.16 = 39,210.81/x
  3. Step 3: Cross multiply
    55,776.66x = 83,665.16 × 39,210.81
  4. Step 4: Simplify right side
    55,776.66x = 3,280,578,692.38
  5. Step 5: Solve for x
    x = 3,280,578,692.38/55,776.66
  6. Step 6: Final answer
    x = 58,816.33

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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.