Home / 76,262.86-105,207.15-47,984.14

Finding the Fourth Proportional to 76,262.86, 105,207.15 and 47,984.14

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Solution

The fourth proportional to 76,262.86, 105,207.15 and 47,984.14 is: 66,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,262.86 : 105,207.15 = 47,984.14 : x
  2. Step 2: Convert to fraction form
    76,262.86/105,207.15 = 47,984.14/x
  3. Step 3: Cross multiply
    76,262.86x = 105,207.15 × 47,984.14
  4. Step 4: Simplify right side
    76,262.86x = 5,048,274,614.60
  5. Step 5: Solve for x
    x = 5,048,274,614.60/76,262.86
  6. Step 6: Final answer
    x = 66,195.72

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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.