Home / 55,055.36-75,976.44-29,904.84

Finding the Fourth Proportional to 55,055.36, 75,976.44 and 29,904.84

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Solution

The fourth proportional to 55,055.36, 75,976.44 and 29,904.84 is: 41,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.36 : 75,976.44 = 29,904.84 : x
  2. Step 2: Convert to fraction form
    55,055.36/75,976.44 = 29,904.84/x
  3. Step 3: Cross multiply
    55,055.36x = 75,976.44 × 29,904.84
  4. Step 4: Simplify right side
    55,055.36x = 2,272,063,281.97
  5. Step 5: Solve for x
    x = 2,272,063,281.97/55,055.36
  6. Step 6: Final answer
    x = 41,268.70

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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.