Home / 88,341.76-121,912.44-48,056.40

Finding the Fourth Proportional to 88,341.76, 121,912.44 and 48,056.40

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Solution

The fourth proportional to 88,341.76, 121,912.44 and 48,056.40 is: 66,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,341.76 : 121,912.44 = 48,056.40 : x
  2. Step 2: Convert to fraction form
    88,341.76/121,912.44 = 48,056.40/x
  3. Step 3: Cross multiply
    88,341.76x = 121,912.44 × 48,056.40
  4. Step 4: Simplify right side
    88,341.76x = 5,858,672,981.62
  5. Step 5: Solve for x
    x = 5,858,672,981.62/88,341.76
  6. Step 6: Final answer
    x = 66,318.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.