Home / 54,907.68-75,772.80-29,757.12

Finding the Fourth Proportional to 54,907.68, 75,772.80 and 29,757.12

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Solution

The fourth proportional to 54,907.68, 75,772.80 and 29,757.12 is: 41,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.68 : 75,772.80 = 29,757.12 : x
  2. Step 2: Convert to fraction form
    54,907.68/75,772.80 = 29,757.12/x
  3. Step 3: Cross multiply
    54,907.68x = 75,772.80 × 29,757.12
  4. Step 4: Simplify right side
    54,907.68x = 2,254,780,302.34
  5. Step 5: Solve for x
    x = 2,254,780,302.34/54,907.68
  6. Step 6: Final answer
    x = 41,064.93

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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.