Home / 94,659.93-130,634.64-52,221.20

Finding the Fourth Proportional to 94,659.93, 130,634.64 and 52,221.20

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Solution

The fourth proportional to 94,659.93, 130,634.64 and 52,221.20 is: 72,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,659.93 : 130,634.64 = 52,221.20 : x
  2. Step 2: Convert to fraction form
    94,659.93/130,634.64 = 52,221.20/x
  3. Step 3: Cross multiply
    94,659.93x = 130,634.64 × 52,221.20
  4. Step 4: Simplify right side
    94,659.93x = 6,821,897,009.19
  5. Step 5: Solve for x
    x = 6,821,897,009.19/94,659.93
  6. Step 6: Final answer
    x = 72,067.42

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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.