Home / 84,041.60-115,977.96-48,230.69

Finding the Fourth Proportional to 84,041.60, 115,977.96 and 48,230.69

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Solution

The fourth proportional to 84,041.60, 115,977.96 and 48,230.69 is: 66,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.60 : 115,977.96 = 48,230.69 : x
  2. Step 2: Convert to fraction form
    84,041.60/115,977.96 = 48,230.69/x
  3. Step 3: Cross multiply
    84,041.60x = 115,977.96 × 48,230.69
  4. Step 4: Simplify right side
    84,041.60x = 5,593,696,455.70
  5. Step 5: Solve for x
    x = 5,593,696,455.70/84,041.60
  6. Step 6: Final answer
    x = 66,558.67

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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.