Home / 74,884.94-112,402.58-34,931.18

Finding the Fourth Proportional to 74,884.94, 112,402.58 and 34,931.18

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Solution

The fourth proportional to 74,884.94, 112,402.58 and 34,931.18 is: 52,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.94 : 112,402.58 = 34,931.18 : x
  2. Step 2: Convert to fraction form
    74,884.94/112,402.58 = 34,931.18/x
  3. Step 3: Cross multiply
    74,884.94x = 112,402.58 × 34,931.18
  4. Step 4: Simplify right side
    74,884.94x = 3,926,354,754.44
  5. Step 5: Solve for x
    x = 3,926,354,754.44/74,884.94
  6. Step 6: Final answer
    x = 52,431.83

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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.