Home / 55,957.85-83,934.10-13,837.78

Finding the Fourth Proportional to 55,957.85, 83,934.10 and 13,837.78

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Solution

The fourth proportional to 55,957.85, 83,934.10 and 13,837.78 is: 20,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,957.85 : 83,934.10 = 13,837.78 : x
  2. Step 2: Convert to fraction form
    55,957.85/83,934.10 = 13,837.78/x
  3. Step 3: Cross multiply
    55,957.85x = 83,934.10 × 13,837.78
  4. Step 4: Simplify right side
    55,957.85x = 1,161,461,610.30
  5. Step 5: Solve for x
    x = 1,161,461,610.30/55,957.85
  6. Step 6: Final answer
    x = 20,756.01

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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.