Home / 88,911.10-133,323.45-49,426.30

Finding the Fourth Proportional to 88,911.10, 133,323.45 and 49,426.30

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Solution

The fourth proportional to 88,911.10, 133,323.45 and 49,426.30 is: 74,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,911.10 : 133,323.45 = 49,426.30 : x
  2. Step 2: Convert to fraction form
    88,911.10/133,323.45 = 49,426.30/x
  3. Step 3: Cross multiply
    88,911.10x = 133,323.45 × 49,426.30
  4. Step 4: Simplify right side
    88,911.10x = 6,589,684,836.74
  5. Step 5: Solve for x
    x = 6,589,684,836.74/88,911.10
  6. Step 6: Final answer
    x = 74,115.43

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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.