Home / 93,921.90-141,012.45-74,222.70

Finding the Fourth Proportional to 93,921.90, 141,012.45 and 74,222.70

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Solution

The fourth proportional to 93,921.90, 141,012.45 and 74,222.70 is: 111,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,921.90 : 141,012.45 = 74,222.70 : x
  2. Step 2: Convert to fraction form
    93,921.90/141,012.45 = 74,222.70/x
  3. Step 3: Cross multiply
    93,921.90x = 141,012.45 × 74,222.70
  4. Step 4: Simplify right side
    93,921.90x = 10,466,324,772.62
  5. Step 5: Solve for x
    x = 10,466,324,772.62/93,921.90
  6. Step 6: Final answer
    x = 111,436.47

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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.