Home / 55,943.16-83,916.77-18,504.15

Finding the Fourth Proportional to 55,943.16, 83,916.77 and 18,504.15

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Solution

The fourth proportional to 55,943.16, 83,916.77 and 18,504.15 is: 27,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,943.16 : 83,916.77 = 18,504.15 : x
  2. Step 2: Convert to fraction form
    55,943.16/83,916.77 = 18,504.15/x
  3. Step 3: Cross multiply
    55,943.16x = 83,916.77 × 18,504.15
  4. Step 4: Simplify right side
    55,943.16x = 1,552,808,407.07
  5. Step 5: Solve for x
    x = 1,552,808,407.07/55,943.16
  6. Step 6: Final answer
    x = 27,756.89

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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.