Home / 54,875.32-75,727.38-31,001.96

Finding the Fourth Proportional to 54,875.32, 75,727.38 and 31,001.96

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Solution

The fourth proportional to 54,875.32, 75,727.38 and 31,001.96 is: 42,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.32 : 75,727.38 = 31,001.96 : x
  2. Step 2: Convert to fraction form
    54,875.32/75,727.38 = 31,001.96/x
  3. Step 3: Cross multiply
    54,875.32x = 75,727.38 × 31,001.96
  4. Step 4: Simplify right side
    54,875.32x = 2,347,697,205.66
  5. Step 5: Solve for x
    x = 2,347,697,205.66/54,875.32
  6. Step 6: Final answer
    x = 42,782.39

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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.