Home / 54,456.04-75,148.92-31,485.36

Finding the Fourth Proportional to 54,456.04, 75,148.92 and 31,485.36

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Solution

The fourth proportional to 54,456.04, 75,148.92 and 31,485.36 is: 43,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,456.04 : 75,148.92 = 31,485.36 : x
  2. Step 2: Convert to fraction form
    54,456.04/75,148.92 = 31,485.36/x
  3. Step 3: Cross multiply
    54,456.04x = 75,148.92 × 31,485.36
  4. Step 4: Simplify right side
    54,456.04x = 2,366,090,799.81
  5. Step 5: Solve for x
    x = 2,366,090,799.81/54,456.04
  6. Step 6: Final answer
    x = 43,449.56

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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.