Home / 74,498.11-111,606.34-57,659.93

Finding the Fourth Proportional to 74,498.11, 111,606.34 and 57,659.93

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Solution

The fourth proportional to 74,498.11, 111,606.34 and 57,659.93 is: 86,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,498.11 : 111,606.34 = 57,659.93 : x
  2. Step 2: Convert to fraction form
    74,498.11/111,606.34 = 57,659.93/x
  3. Step 3: Cross multiply
    74,498.11x = 111,606.34 × 57,659.93
  4. Step 4: Simplify right side
    74,498.11x = 6,435,213,751.96
  5. Step 5: Solve for x
    x = 6,435,213,751.96/74,498.11
  6. Step 6: Final answer
    x = 86,380.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.