Home / 135,739.76-203,677.54-60,913.40

Finding the Fourth Proportional to 135,739.76, 203,677.54 and 60,913.40

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Solution

The fourth proportional to 135,739.76, 203,677.54 and 60,913.40 is: 91,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,739.76 : 203,677.54 = 60,913.40 : x
  2. Step 2: Convert to fraction form
    135,739.76/203,677.54 = 60,913.40/x
  3. Step 3: Cross multiply
    135,739.76x = 203,677.54 × 60,913.40
  4. Step 4: Simplify right side
    135,739.76x = 12,406,690,294.36
  5. Step 5: Solve for x
    x = 12,406,690,294.36/135,739.76
  6. Step 6: Final answer
    x = 91,400.56

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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.