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Finding the Fourth Proportional to 88,416.40, 132,624.60 and 35,827.60

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Solution

The fourth proportional to 88,416.40, 132,624.60 and 35,827.60 is: 53,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,416.40 : 132,624.60 = 35,827.60 : x
  2. Step 2: Convert to fraction form
    88,416.40/132,624.60 = 35,827.60/x
  3. Step 3: Cross multiply
    88,416.40x = 132,624.60 × 35,827.60
  4. Step 4: Simplify right side
    88,416.40x = 4,751,621,118.96
  5. Step 5: Solve for x
    x = 4,751,621,118.96/88,416.40
  6. Step 6: Final answer
    x = 53,741.40

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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.