Home / 55,007.96-75,912.36-29,857.40

Finding the Fourth Proportional to 55,007.96, 75,912.36 and 29,857.40

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Solution

The fourth proportional to 55,007.96, 75,912.36 and 29,857.40 is: 41,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.96 : 75,912.36 = 29,857.40 : x
  2. Step 2: Convert to fraction form
    55,007.96/75,912.36 = 29,857.40/x
  3. Step 3: Cross multiply
    55,007.96x = 75,912.36 × 29,857.40
  4. Step 4: Simplify right side
    55,007.96x = 2,266,545,697.46
  5. Step 5: Solve for x
    x = 2,266,545,697.46/55,007.96
  6. Step 6: Final answer
    x = 41,203.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.