Home / 79,748.15-110,032.56-51,419.75

Finding the Fourth Proportional to 79,748.15, 110,032.56 and 51,419.75

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Solution

The fourth proportional to 79,748.15, 110,032.56 and 51,419.75 is: 70,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,748.15 : 110,032.56 = 51,419.75 : x
  2. Step 2: Convert to fraction form
    79,748.15/110,032.56 = 51,419.75/x
  3. Step 3: Cross multiply
    79,748.15x = 110,032.56 × 51,419.75
  4. Step 4: Simplify right side
    79,748.15x = 5,657,846,727.06
  5. Step 5: Solve for x
    x = 5,657,846,727.06/79,748.15
  6. Step 6: Final answer
    x = 70,946.43

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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.