Home / 88,930.10-133,351.95-49,445.30

Finding the Fourth Proportional to 88,930.10, 133,351.95 and 49,445.30

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Solution

The fourth proportional to 88,930.10, 133,351.95 and 49,445.30 is: 74,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,930.10 : 133,351.95 = 49,445.30 : x
  2. Step 2: Convert to fraction form
    88,930.10/133,351.95 = 49,445.30/x
  3. Step 3: Cross multiply
    88,930.10x = 133,351.95 × 49,445.30
  4. Step 4: Simplify right side
    88,930.10x = 6,593,627,173.34
  5. Step 5: Solve for x
    x = 6,593,627,173.34/88,930.10
  6. Step 6: Final answer
    x = 74,143.93

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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.