Home / 74,013.07-110,977.10-28,981.70

Finding the Fourth Proportional to 74,013.07, 110,977.10 and 28,981.70

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Solution

The fourth proportional to 74,013.07, 110,977.10 and 28,981.70 is: 43,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,013.07 : 110,977.10 = 28,981.70 : x
  2. Step 2: Convert to fraction form
    74,013.07/110,977.10 = 28,981.70/x
  3. Step 3: Cross multiply
    74,013.07x = 110,977.10 × 28,981.70
  4. Step 4: Simplify right side
    74,013.07x = 3,216,304,464.18
  5. Step 5: Solve for x
    x = 3,216,304,464.18/74,013.07
  6. Step 6: Final answer
    x = 43,455.90

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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.