Home / 92,819.27-128,090.57-50,377.80

Finding the Fourth Proportional to 92,819.27, 128,090.57 and 50,377.80

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Solution

The fourth proportional to 92,819.27, 128,090.57 and 50,377.80 is: 69,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.27 : 128,090.57 = 50,377.80 : x
  2. Step 2: Convert to fraction form
    92,819.27/128,090.57 = 50,377.80/x
  3. Step 3: Cross multiply
    92,819.27x = 128,090.57 × 50,377.80
  4. Step 4: Simplify right side
    92,819.27x = 6,452,920,865.46
  5. Step 5: Solve for x
    x = 6,452,920,865.46/92,819.27
  6. Step 6: Final answer
    x = 69,521.35

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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.