Home / 66,930.14-92,365.59-37,121.50

Finding the Fourth Proportional to 66,930.14, 92,365.59 and 37,121.50

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Solution

The fourth proportional to 66,930.14, 92,365.59 and 37,121.50 is: 51,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.14 : 92,365.59 = 37,121.50 : x
  2. Step 2: Convert to fraction form
    66,930.14/92,365.59 = 37,121.50/x
  3. Step 3: Cross multiply
    66,930.14x = 92,365.59 × 37,121.50
  4. Step 4: Simplify right side
    66,930.14x = 3,428,749,249.19
  5. Step 5: Solve for x
    x = 3,428,749,249.19/66,930.14
  6. Step 6: Final answer
    x = 51,228.78

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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.