Home / 55,665.75-83,312.70-33,103.20

Finding the Fourth Proportional to 55,665.75, 83,312.70 and 33,103.20

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Solution

The fourth proportional to 55,665.75, 83,312.70 and 33,103.20 is: 49,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.75 : 83,312.70 = 33,103.20 : x
  2. Step 2: Convert to fraction form
    55,665.75/83,312.70 = 33,103.20/x
  3. Step 3: Cross multiply
    55,665.75x = 83,312.70 × 33,103.20
  4. Step 4: Simplify right side
    55,665.75x = 2,757,916,970.64
  5. Step 5: Solve for x
    x = 2,757,916,970.64/55,665.75
  6. Step 6: Final answer
    x = 49,544.23

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1.5x scale

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.