Home / 89,077.25-122,923-53,287.04

Finding the Fourth Proportional to 89,077.25, 122,923 and 53,287.04

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Solution

The fourth proportional to 89,077.25, 122,923 and 53,287.04 is: 73,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.25 : 122,923 = 53,287.04 : x
  2. Step 2: Convert to fraction form
    89,077.25/122,923 = 53,287.04/x
  3. Step 3: Cross multiply
    89,077.25x = 122,923 × 53,287.04
  4. Step 4: Simplify right side
    89,077.25x = 6,550,202,817.92
  5. Step 5: Solve for x
    x = 6,550,202,817.92/89,077.25
  6. Step 6: Final answer
    x = 73,533.96

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1.5x scale

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.