Home / 88,739.28-133,022.79-35,415.86

Finding the Fourth Proportional to 88,739.28, 133,022.79 and 35,415.86

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Solution

The fourth proportional to 88,739.28, 133,022.79 and 35,415.86 is: 53,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,739.28 : 133,022.79 = 35,415.86 : x
  2. Step 2: Convert to fraction form
    88,739.28/133,022.79 = 35,415.86/x
  3. Step 3: Cross multiply
    88,739.28x = 133,022.79 × 35,415.86
  4. Step 4: Simplify right side
    88,739.28x = 4,711,115,842.34
  5. Step 5: Solve for x
    x = 4,711,115,842.34/88,739.28
  6. Step 6: Final answer
    x = 53,089.41

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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.