Home / 76,564.13-114,869.48-39,150.47

Finding the Fourth Proportional to 76,564.13, 114,869.48 and 39,150.47

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Solution

The fourth proportional to 76,564.13, 114,869.48 and 39,150.47 is: 58,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,564.13 : 114,869.48 = 39,150.47 : x
  2. Step 2: Convert to fraction form
    76,564.13/114,869.48 = 39,150.47/x
  3. Step 3: Cross multiply
    76,564.13x = 114,869.48 × 39,150.47
  4. Step 4: Simplify right side
    76,564.13x = 4,497,194,222.08
  5. Step 5: Solve for x
    x = 4,497,194,222.08/76,564.13
  6. Step 6: Final answer
    x = 58,737.62

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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.