Home / 112,983.61-155,917.38-62,682.61

Finding the Fourth Proportional to 112,983.61, 155,917.38 and 62,682.61

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Solution

The fourth proportional to 112,983.61, 155,917.38 and 62,682.61 is: 86,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,983.61 : 155,917.38 = 62,682.61 : x
  2. Step 2: Convert to fraction form
    112,983.61/155,917.38 = 62,682.61/x
  3. Step 3: Cross multiply
    112,983.61x = 155,917.38 × 62,682.61
  4. Step 4: Simplify right side
    112,983.61x = 9,773,308,284.08
  5. Step 5: Solve for x
    x = 9,773,308,284.08/112,983.61
  6. Step 6: Final answer
    x = 86,502.00

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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.