Home / 79,416.72-109,594.44-43,607.28

Finding the Fourth Proportional to 79,416.72, 109,594.44 and 43,607.28

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Solution

The fourth proportional to 79,416.72, 109,594.44 and 43,607.28 is: 60,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,416.72 : 109,594.44 = 43,607.28 : x
  2. Step 2: Convert to fraction form
    79,416.72/109,594.44 = 43,607.28/x
  3. Step 3: Cross multiply
    79,416.72x = 109,594.44 × 43,607.28
  4. Step 4: Simplify right side
    79,416.72x = 4,779,115,431.52
  5. Step 5: Solve for x
    x = 4,779,115,431.52/79,416.72
  6. Step 6: Final answer
    x = 60,177.70

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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.