Home / 120,043.02-180,117.32-63,869.92

Finding the Fourth Proportional to 120,043.02, 180,117.32 and 63,869.92

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Solution

The fourth proportional to 120,043.02, 180,117.32 and 63,869.92 is: 95,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,043.02 : 180,117.32 = 63,869.92 : x
  2. Step 2: Convert to fraction form
    120,043.02/180,117.32 = 63,869.92/x
  3. Step 3: Cross multiply
    120,043.02x = 180,117.32 × 63,869.92
  4. Step 4: Simplify right side
    120,043.02x = 11,504,078,819.01
  5. Step 5: Solve for x
    x = 11,504,078,819.01/120,043.02
  6. Step 6: Final answer
    x = 95,832.97

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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.