Home / 90,518.28-135,784.08-23,957.96

Finding the Fourth Proportional to 90,518.28, 135,784.08 and 23,957.96

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Solution

The fourth proportional to 90,518.28, 135,784.08 and 23,957.96 is: 35,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,518.28 : 135,784.08 = 23,957.96 : x
  2. Step 2: Convert to fraction form
    90,518.28/135,784.08 = 23,957.96/x
  3. Step 3: Cross multiply
    90,518.28x = 135,784.08 × 23,957.96
  4. Step 4: Simplify right side
    90,518.28x = 3,253,109,557.28
  5. Step 5: Solve for x
    x = 3,253,109,557.28/90,518.28
  6. Step 6: Final answer
    x = 35,938.70

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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.