Home / 94,012.42-129,735.93-53,725.72

Finding the Fourth Proportional to 94,012.42, 129,735.93 and 53,725.72

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Solution

The fourth proportional to 94,012.42, 129,735.93 and 53,725.72 is: 74,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,012.42 : 129,735.93 = 53,725.72 : x
  2. Step 2: Convert to fraction form
    94,012.42/129,735.93 = 53,725.72/x
  3. Step 3: Cross multiply
    94,012.42x = 129,735.93 × 53,725.72
  4. Step 4: Simplify right side
    94,012.42x = 6,970,156,249.12
  5. Step 5: Solve for x
    x = 6,970,156,249.12/94,012.42
  6. Step 6: Final answer
    x = 74,140.80

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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.