Home / 73,686.44-110,455.40-42,086.12

Finding the Fourth Proportional to 73,686.44, 110,455.40 and 42,086.12

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Solution

The fourth proportional to 73,686.44, 110,455.40 and 42,086.12 is: 63,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,686.44 : 110,455.40 = 42,086.12 : x
  2. Step 2: Convert to fraction form
    73,686.44/110,455.40 = 42,086.12/x
  3. Step 3: Cross multiply
    73,686.44x = 110,455.40 × 42,086.12
  4. Step 4: Simplify right side
    73,686.44x = 4,648,639,219.05
  5. Step 5: Solve for x
    x = 4,648,639,219.05/73,686.44
  6. Step 6: Final answer
    x = 63,086.77

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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.