Home / 64,115.20-96,155.52-43,465.60

Finding the Fourth Proportional to 64,115.20, 96,155.52 and 43,465.60

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Solution

The fourth proportional to 64,115.20, 96,155.52 and 43,465.60 is: 65,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.20 : 96,155.52 = 43,465.60 : x
  2. Step 2: Convert to fraction form
    64,115.20/96,155.52 = 43,465.60/x
  3. Step 3: Cross multiply
    64,115.20x = 96,155.52 × 43,465.60
  4. Step 4: Simplify right side
    64,115.20x = 4,179,457,370.11
  5. Step 5: Solve for x
    x = 4,179,457,370.11/64,115.20
  6. Step 6: Final answer
    x = 65,186.69

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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.