Home / 79,345.64-109,500.05-43,537.16

Finding the Fourth Proportional to 79,345.64, 109,500.05 and 43,537.16

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Solution

The fourth proportional to 79,345.64, 109,500.05 and 43,537.16 is: 60,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.64 : 109,500.05 = 43,537.16 : x
  2. Step 2: Convert to fraction form
    79,345.64/109,500.05 = 43,537.16/x
  3. Step 3: Cross multiply
    79,345.64x = 109,500.05 × 43,537.16
  4. Step 4: Simplify right side
    79,345.64x = 4,767,321,196.86
  5. Step 5: Solve for x
    x = 4,767,321,196.86/79,345.64
  6. Step 6: Final answer
    x = 60,082.96

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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.