Home / 87,326.73-120,511.28-51,030.27

Finding the Fourth Proportional to 87,326.73, 120,511.28 and 51,030.27

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Solution

The fourth proportional to 87,326.73, 120,511.28 and 51,030.27 is: 70,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,326.73 : 120,511.28 = 51,030.27 : x
  2. Step 2: Convert to fraction form
    87,326.73/120,511.28 = 51,030.27/x
  3. Step 3: Cross multiply
    87,326.73x = 120,511.28 × 51,030.27
  4. Step 4: Simplify right side
    87,326.73x = 6,149,723,284.02
  5. Step 5: Solve for x
    x = 6,149,723,284.02/87,326.73
  6. Step 6: Final answer
    x = 70,422.00

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1.5x scale

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.