Home / 92,819.03-128,090.38-50,377.58

Finding the Fourth Proportional to 92,819.03, 128,090.38 and 50,377.58

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Solution

The fourth proportional to 92,819.03, 128,090.38 and 50,377.58 is: 69,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.03 : 128,090.38 = 50,377.58 : x
  2. Step 2: Convert to fraction form
    92,819.03/128,090.38 = 50,377.58/x
  3. Step 3: Cross multiply
    92,819.03x = 128,090.38 × 50,377.58
  4. Step 4: Simplify right side
    92,819.03x = 6,452,882,725.23
  5. Step 5: Solve for x
    x = 6,452,882,725.23/92,819.03
  6. Step 6: Final answer
    x = 69,521.12

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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.