Home / 79,335.66-109,324.98-56,610.60

Finding the Fourth Proportional to 79,335.66, 109,324.98 and 56,610.60

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Solution

The fourth proportional to 79,335.66, 109,324.98 and 56,610.60 is: 78,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,335.66 : 109,324.98 = 56,610.60 : x
  2. Step 2: Convert to fraction form
    79,335.66/109,324.98 = 56,610.60/x
  3. Step 3: Cross multiply
    79,335.66x = 109,324.98 × 56,610.60
  4. Step 4: Simplify right side
    79,335.66x = 6,188,952,712.79
  5. Step 5: Solve for x
    x = 6,188,952,712.79/79,335.66
  6. Step 6: Final answer
    x = 78,009.72

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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.