Home / 55,055.05-75,976.04-29,904.55

Finding the Fourth Proportional to 55,055.05, 75,976.04 and 29,904.55

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Solution

The fourth proportional to 55,055.05, 75,976.04 and 29,904.55 is: 41,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.05 : 75,976.04 = 29,904.55 : x
  2. Step 2: Convert to fraction form
    55,055.05/75,976.04 = 29,904.55/x
  3. Step 3: Cross multiply
    55,055.05x = 75,976.04 × 29,904.55
  4. Step 4: Simplify right side
    55,055.05x = 2,272,028,757.58
  5. Step 5: Solve for x
    x = 2,272,028,757.58/55,055.05
  6. Step 6: Final answer
    x = 41,268.31

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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.