Home / 88,935.60-133,360.20-49,450.80

Finding the Fourth Proportional to 88,935.60, 133,360.20 and 49,450.80

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Solution

The fourth proportional to 88,935.60, 133,360.20 and 49,450.80 is: 74,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,935.60 : 133,360.20 = 49,450.80 : x
  2. Step 2: Convert to fraction form
    88,935.60/133,360.20 = 49,450.80/x
  3. Step 3: Cross multiply
    88,935.60x = 133,360.20 × 49,450.80
  4. Step 4: Simplify right side
    88,935.60x = 6,594,768,578.16
  5. Step 5: Solve for x
    x = 6,594,768,578.16/88,935.60
  6. Step 6: Final answer
    x = 74,152.18

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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.