Home / 90,077.03-124,318.66-51,835.79

Finding the Fourth Proportional to 90,077.03, 124,318.66 and 51,835.79

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Solution

The fourth proportional to 90,077.03, 124,318.66 and 51,835.79 is: 71,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.03 : 124,318.66 = 51,835.79 : x
  2. Step 2: Convert to fraction form
    90,077.03/124,318.66 = 51,835.79/x
  3. Step 3: Cross multiply
    90,077.03x = 124,318.66 × 51,835.79
  4. Step 4: Simplify right side
    90,077.03x = 6,444,155,693.66
  5. Step 5: Solve for x
    x = 6,444,155,693.66/90,077.03
  6. Step 6: Final answer
    x = 71,540.50

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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.