Home / 54,799.61-75,675.69-51,814.32

Finding the Fourth Proportional to 54,799.61, 75,675.69 and 51,814.32

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Solution

The fourth proportional to 54,799.61, 75,675.69 and 51,814.32 is: 71,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,799.61 : 75,675.69 = 51,814.32 : x
  2. Step 2: Convert to fraction form
    54,799.61/75,675.69 = 51,814.32/x
  3. Step 3: Cross multiply
    54,799.61x = 75,675.69 × 51,814.32
  4. Step 4: Simplify right side
    54,799.61x = 3,921,084,417.88
  5. Step 5: Solve for x
    x = 3,921,084,417.88/54,799.61
  6. Step 6: Final answer
    x = 71,553.15

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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.