Home / 85,299.21-127,948.82-22,969.71

Finding the Fourth Proportional to 85,299.21, 127,948.82 and 22,969.71

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Solution

The fourth proportional to 85,299.21, 127,948.82 and 22,969.71 is: 34,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.21 : 127,948.82 = 22,969.71 : x
  2. Step 2: Convert to fraction form
    85,299.21/127,948.82 = 22,969.71/x
  3. Step 3: Cross multiply
    85,299.21x = 127,948.82 × 22,969.71
  4. Step 4: Simplify right side
    85,299.21x = 2,938,947,175.39
  5. Step 5: Solve for x
    x = 2,938,947,175.39/85,299.21
  6. Step 6: Final answer
    x = 34,454.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.