Home / 92,819.26-128,079.96-51,977.70

Finding the Fourth Proportional to 92,819.26, 128,079.96 and 51,977.70

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Solution

The fourth proportional to 92,819.26, 128,079.96 and 51,977.70 is: 71,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.26 : 128,079.96 = 51,977.70 : x
  2. Step 2: Convert to fraction form
    92,819.26/128,079.96 = 51,977.70/x
  3. Step 3: Cross multiply
    92,819.26x = 128,079.96 × 51,977.70
  4. Step 4: Simplify right side
    92,819.26x = 6,657,301,736.89
  5. Step 5: Solve for x
    x = 6,657,301,736.89/92,819.26
  6. Step 6: Final answer
    x = 71,723.28

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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.