Home / 91,013.42-125,599.14-50,729.78

Finding the Fourth Proportional to 91,013.42, 125,599.14 and 50,729.78

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Solution

The fourth proportional to 91,013.42, 125,599.14 and 50,729.78 is: 70,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,013.42 : 125,599.14 = 50,729.78 : x
  2. Step 2: Convert to fraction form
    91,013.42/125,599.14 = 50,729.78/x
  3. Step 3: Cross multiply
    91,013.42x = 125,599.14 × 50,729.78
  4. Step 4: Simplify right side
    91,013.42x = 6,371,616,112.39
  5. Step 5: Solve for x
    x = 6,371,616,112.39/91,013.42
  6. Step 6: Final answer
    x = 70,007.44

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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.