Home / 92,821.12-139,247.40-32,014.88

Finding the Fourth Proportional to 92,821.12, 139,247.40 and 32,014.88

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Solution

The fourth proportional to 92,821.12, 139,247.40 and 32,014.88 is: 48,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.12 : 139,247.40 = 32,014.88 : x
  2. Step 2: Convert to fraction form
    92,821.12/139,247.40 = 32,014.88/x
  3. Step 3: Cross multiply
    92,821.12x = 139,247.40 × 32,014.88
  4. Step 4: Simplify right side
    92,821.12x = 4,457,988,801.31
  5. Step 5: Solve for x
    x = 4,457,988,801.31/92,821.12
  6. Step 6: Final answer
    x = 48,027.74

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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.