Home / 92,819.01-128,090.58-50,377.54

Finding the Fourth Proportional to 92,819.01, 128,090.58 and 50,377.54

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Solution

The fourth proportional to 92,819.01, 128,090.58 and 50,377.54 is: 69,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.01 : 128,090.58 = 50,377.54 : x
  2. Step 2: Convert to fraction form
    92,819.01/128,090.58 = 50,377.54/x
  3. Step 3: Cross multiply
    92,819.01x = 128,090.58 × 50,377.54
  4. Step 4: Simplify right side
    92,819.01x = 6,452,888,317.57
  5. Step 5: Solve for x
    x = 6,452,888,317.57/92,819.01
  6. Step 6: Final answer
    x = 69,521.19

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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.