Home / 74,836.78-112,165.90-34,801.72

Finding the Fourth Proportional to 74,836.78, 112,165.90 and 34,801.72

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Solution

The fourth proportional to 74,836.78, 112,165.90 and 34,801.72 is: 52,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.78 : 112,165.90 = 34,801.72 : x
  2. Step 2: Convert to fraction form
    74,836.78/112,165.90 = 34,801.72/x
  3. Step 3: Cross multiply
    74,836.78x = 112,165.90 × 34,801.72
  4. Step 4: Simplify right side
    74,836.78x = 3,903,565,877.93
  5. Step 5: Solve for x
    x = 3,903,565,877.93/74,836.78
  6. Step 6: Final answer
    x = 52,161.06

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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.