Home / 107,731.91-161,543.77-62,767.82

Finding the Fourth Proportional to 107,731.91, 161,543.77 and 62,767.82

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Solution

The fourth proportional to 107,731.91, 161,543.77 and 62,767.82 is: 94,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,731.91 : 161,543.77 = 62,767.82 : x
  2. Step 2: Convert to fraction form
    107,731.91/161,543.77 = 62,767.82/x
  3. Step 3: Cross multiply
    107,731.91x = 161,543.77 × 62,767.82
  4. Step 4: Simplify right side
    107,731.91x = 10,139,749,312.84
  5. Step 5: Solve for x
    x = 10,139,749,312.84/107,731.91
  6. Step 6: Final answer
    x = 94,120.21

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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.