Home / 104,038.22-156,080.55-40,864.43

Finding the Fourth Proportional to 104,038.22, 156,080.55 and 40,864.43

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Solution

The fourth proportional to 104,038.22, 156,080.55 and 40,864.43 is: 61,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.22 : 156,080.55 = 40,864.43 : x
  2. Step 2: Convert to fraction form
    104,038.22/156,080.55 = 40,864.43/x
  3. Step 3: Cross multiply
    104,038.22x = 156,080.55 × 40,864.43
  4. Step 4: Simplify right side
    104,038.22x = 6,378,141,929.43
  5. Step 5: Solve for x
    x = 6,378,141,929.43/104,038.22
  6. Step 6: Final answer
    x = 61,305.76

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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.