Home / 74,308.40-111,461.31-29,934.02

Finding the Fourth Proportional to 74,308.40, 111,461.31 and 29,934.02

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Solution

The fourth proportional to 74,308.40, 111,461.31 and 29,934.02 is: 44,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,308.40 : 111,461.31 = 29,934.02 : x
  2. Step 2: Convert to fraction form
    74,308.40/111,461.31 = 29,934.02/x
  3. Step 3: Cross multiply
    74,308.40x = 111,461.31 × 29,934.02
  4. Step 4: Simplify right side
    74,308.40x = 3,336,485,082.77
  5. Step 5: Solve for x
    x = 3,336,485,082.77/74,308.40
  6. Step 6: Final answer
    x = 44,900.51

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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.