Home / 76,999.76-106,260.48-45,169.18

Finding the Fourth Proportional to 76,999.76, 106,260.48 and 45,169.18

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Solution

The fourth proportional to 76,999.76, 106,260.48 and 45,169.18 is: 62,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,999.76 : 106,260.48 = 45,169.18 : x
  2. Step 2: Convert to fraction form
    76,999.76/106,260.48 = 45,169.18/x
  3. Step 3: Cross multiply
    76,999.76x = 106,260.48 × 45,169.18
  4. Step 4: Simplify right side
    76,999.76x = 4,799,698,748.01
  5. Step 5: Solve for x
    x = 4,799,698,748.01/76,999.76
  6. Step 6: Final answer
    x = 62,333.94

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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.