Home / 92,033.12-138,045.72-28,851.83

Finding the Fourth Proportional to 92,033.12, 138,045.72 and 28,851.83

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Solution

The fourth proportional to 92,033.12, 138,045.72 and 28,851.83 is: 43,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,033.12 : 138,045.72 = 28,851.83 : x
  2. Step 2: Convert to fraction form
    92,033.12/138,045.72 = 28,851.83/x
  3. Step 3: Cross multiply
    92,033.12x = 138,045.72 × 28,851.83
  4. Step 4: Simplify right side
    92,033.12x = 3,982,871,645.67
  5. Step 5: Solve for x
    x = 3,982,871,645.67/92,033.12
  6. Step 6: Final answer
    x = 43,276.50

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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.