Home / 82,699.61-124,090.45-32,778.63

Finding the Fourth Proportional to 82,699.61, 124,090.45 and 32,778.63

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Solution

The fourth proportional to 82,699.61, 124,090.45 and 32,778.63 is: 49,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,699.61 : 124,090.45 = 32,778.63 : x
  2. Step 2: Convert to fraction form
    82,699.61/124,090.45 = 32,778.63/x
  3. Step 3: Cross multiply
    82,699.61x = 124,090.45 × 32,778.63
  4. Step 4: Simplify right side
    82,699.61x = 4,067,514,865.14
  5. Step 5: Solve for x
    x = 4,067,514,865.14/82,699.61
  6. Step 6: Final answer
    x = 49,184.21

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1.5x scale

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.