Home / 86,518.56-119,402.64-48,800.64

Finding the Fourth Proportional to 86,518.56, 119,402.64 and 48,800.64

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Solution

The fourth proportional to 86,518.56, 119,402.64 and 48,800.64 is: 67,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,518.56 : 119,402.64 = 48,800.64 : x
  2. Step 2: Convert to fraction form
    86,518.56/119,402.64 = 48,800.64/x
  3. Step 3: Cross multiply
    86,518.56x = 119,402.64 × 48,800.64
  4. Step 4: Simplify right side
    86,518.56x = 5,826,925,249.69
  5. Step 5: Solve for x
    x = 5,826,925,249.69/86,518.56
  6. Step 6: Final answer
    x = 67,348.85

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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.