Home / 88,917.60-133,376.40-83,848.80

Finding the Fourth Proportional to 88,917.60, 133,376.40 and 83,848.80

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Solution

The fourth proportional to 88,917.60, 133,376.40 and 83,848.80 is: 125,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,917.60 : 133,376.40 = 83,848.80 : x
  2. Step 2: Convert to fraction form
    88,917.60/133,376.40 = 83,848.80/x
  3. Step 3: Cross multiply
    88,917.60x = 133,376.40 × 83,848.80
  4. Step 4: Simplify right side
    88,917.60x = 11,183,451,088.32
  5. Step 5: Solve for x
    x = 11,183,451,088.32/88,917.60
  6. Step 6: Final answer
    x = 125,773.20

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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.