Home / 76,675.66-115,037-39,262.01

Finding the Fourth Proportional to 76,675.66, 115,037 and 39,262.01

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Solution

The fourth proportional to 76,675.66, 115,037 and 39,262.01 is: 58,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,675.66 : 115,037 = 39,262.01 : x
  2. Step 2: Convert to fraction form
    76,675.66/115,037 = 39,262.01/x
  3. Step 3: Cross multiply
    76,675.66x = 115,037 × 39,262.01
  4. Step 4: Simplify right side
    76,675.66x = 4,516,583,844.37
  5. Step 5: Solve for x
    x = 4,516,583,844.37/76,675.66
  6. Step 6: Final answer
    x = 58,905.06

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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.