Home / 69,051.52-95,276.80-40,365.64

Finding the Fourth Proportional to 69,051.52, 95,276.80 and 40,365.64

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Solution

The fourth proportional to 69,051.52, 95,276.80 and 40,365.64 is: 55,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,051.52 : 95,276.80 = 40,365.64 : x
  2. Step 2: Convert to fraction form
    69,051.52/95,276.80 = 40,365.64/x
  3. Step 3: Cross multiply
    69,051.52x = 95,276.80 × 40,365.64
  4. Step 4: Simplify right side
    69,051.52x = 3,845,909,009.15
  5. Step 5: Solve for x
    x = 3,845,909,009.15/69,051.52
  6. Step 6: Final answer
    x = 55,696.23

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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.