Home / 86,479.08-119,346.72-48,755.76

Finding the Fourth Proportional to 86,479.08, 119,346.72 and 48,755.76

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Solution

The fourth proportional to 86,479.08, 119,346.72 and 48,755.76 is: 67,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,479.08 : 119,346.72 = 48,755.76 : x
  2. Step 2: Convert to fraction form
    86,479.08/119,346.72 = 48,755.76/x
  3. Step 3: Cross multiply
    86,479.08x = 119,346.72 × 48,755.76
  4. Step 4: Simplify right side
    86,479.08x = 5,818,840,037.11
  5. Step 5: Solve for x
    x = 5,818,840,037.11/86,479.08
  6. Step 6: Final answer
    x = 67,286.10

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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.