Home / 74,584.10-111,937.35-74,000.90

Finding the Fourth Proportional to 74,584.10, 111,937.35 and 74,000.90

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Solution

The fourth proportional to 74,584.10, 111,937.35 and 74,000.90 is: 111,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,584.10 : 111,937.35 = 74,000.90 : x
  2. Step 2: Convert to fraction form
    74,584.10/111,937.35 = 74,000.90/x
  3. Step 3: Cross multiply
    74,584.10x = 111,937.35 × 74,000.90
  4. Step 4: Simplify right side
    74,584.10x = 8,283,464,643.62
  5. Step 5: Solve for x
    x = 8,283,464,643.62/74,584.10
  6. Step 6: Final answer
    x = 111,062.07

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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.