Home / 104,532.60-144,253.08-56,785.44

Finding the Fourth Proportional to 104,532.60, 144,253.08 and 56,785.44

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Solution

The fourth proportional to 104,532.60, 144,253.08 and 56,785.44 is: 78,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,532.60 : 144,253.08 = 56,785.44 : x
  2. Step 2: Convert to fraction form
    104,532.60/144,253.08 = 56,785.44/x
  3. Step 3: Cross multiply
    104,532.60x = 144,253.08 × 56,785.44
  4. Step 4: Simplify right side
    104,532.60x = 8,191,474,619.16
  5. Step 5: Solve for x
    x = 8,191,474,619.16/104,532.60
  6. Step 6: Final answer
    x = 78,362.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.