Home / 82,260.74-113,462.08-56,777.33

Finding the Fourth Proportional to 82,260.74, 113,462.08 and 56,777.33

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Solution

The fourth proportional to 82,260.74, 113,462.08 and 56,777.33 is: 78,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,260.74 : 113,462.08 = 56,777.33 : x
  2. Step 2: Convert to fraction form
    82,260.74/113,462.08 = 56,777.33/x
  3. Step 3: Cross multiply
    82,260.74x = 113,462.08 × 56,777.33
  4. Step 4: Simplify right side
    82,260.74x = 6,442,073,249.39
  5. Step 5: Solve for x
    x = 6,442,073,249.39/82,260.74
  6. Step 6: Final answer
    x = 78,312.86

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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.