Home / 32,139.64-48,112.18-29,178.07

Finding the Fourth Proportional to 32,139.64, 48,112.18 and 29,178.07

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Solution

The fourth proportional to 32,139.64, 48,112.18 and 29,178.07 is: 43,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.64 : 48,112.18 = 29,178.07 : x
  2. Step 2: Convert to fraction form
    32,139.64/48,112.18 = 29,178.07/x
  3. Step 3: Cross multiply
    32,139.64x = 48,112.18 × 29,178.07
  4. Step 4: Simplify right side
    32,139.64x = 1,403,820,633.30
  5. Step 5: Solve for x
    x = 1,403,820,633.30/32,139.64
  6. Step 6: Final answer
    x = 43,678.80

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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.