Home / 88,845.40-133,095.30-53,680.60

Finding the Fourth Proportional to 88,845.40, 133,095.30 and 53,680.60

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Solution

The fourth proportional to 88,845.40, 133,095.30 and 53,680.60 is: 80,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,845.40 : 133,095.30 = 53,680.60 : x
  2. Step 2: Convert to fraction form
    88,845.40/133,095.30 = 53,680.60/x
  3. Step 3: Cross multiply
    88,845.40x = 133,095.30 × 53,680.60
  4. Step 4: Simplify right side
    88,845.40x = 7,144,635,561.18
  5. Step 5: Solve for x
    x = 7,144,635,561.18/88,845.40
  6. Step 6: Final answer
    x = 80,416.49

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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.