Home / 94,021.78-129,741.84-53,727.52

Finding the Fourth Proportional to 94,021.78, 129,741.84 and 53,727.52

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Solution

The fourth proportional to 94,021.78, 129,741.84 and 53,727.52 is: 74,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,021.78 : 129,741.84 = 53,727.52 : x
  2. Step 2: Convert to fraction form
    94,021.78/129,741.84 = 53,727.52/x
  3. Step 3: Cross multiply
    94,021.78x = 129,741.84 × 53,727.52
  4. Step 4: Simplify right side
    94,021.78x = 6,970,707,303.44
  5. Step 5: Solve for x
    x = 6,970,707,303.44/94,021.78
  6. Step 6: Final answer
    x = 74,139.28

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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.