Home / 92,819.92-128,091.38-52,532.92

Finding the Fourth Proportional to 92,819.92, 128,091.38 and 52,532.92

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Solution

The fourth proportional to 92,819.92, 128,091.38 and 52,532.92 is: 72,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.92 : 128,091.38 = 52,532.92 : x
  2. Step 2: Convert to fraction form
    92,819.92/128,091.38 = 52,532.92/x
  3. Step 3: Cross multiply
    92,819.92x = 128,091.38 × 52,532.92
  4. Step 4: Simplify right side
    92,819.92x = 6,729,014,218.23
  5. Step 5: Solve for x
    x = 6,729,014,218.23/92,819.92
  6. Step 6: Final answer
    x = 72,495.37

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1.5x scale

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.