Home / 93,934.40-141,031.20-74,235.20

Finding the Fourth Proportional to 93,934.40, 141,031.20 and 74,235.20

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Solution

The fourth proportional to 93,934.40, 141,031.20 and 74,235.20 is: 111,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,934.40 : 141,031.20 = 74,235.20 : x
  2. Step 2: Convert to fraction form
    93,934.40/141,031.20 = 74,235.20/x
  3. Step 3: Cross multiply
    93,934.40x = 141,031.20 × 74,235.20
  4. Step 4: Simplify right side
    93,934.40x = 10,469,479,338.24
  5. Step 5: Solve for x
    x = 10,469,479,338.24/93,934.40
  6. Step 6: Final answer
    x = 111,455.22

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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.