Home / 92,800.18-128,064.04-50,358.71

Finding the Fourth Proportional to 92,800.18, 128,064.04 and 50,358.71

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Solution

The fourth proportional to 92,800.18, 128,064.04 and 50,358.71 is: 69,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,800.18 : 128,064.04 = 50,358.71 : x
  2. Step 2: Convert to fraction form
    92,800.18/128,064.04 = 50,358.71/x
  3. Step 3: Cross multiply
    92,800.18x = 128,064.04 × 50,358.71
  4. Step 4: Simplify right side
    92,800.18x = 6,449,140,046.05
  5. Step 5: Solve for x
    x = 6,449,140,046.05/92,800.18
  6. Step 6: Final answer
    x = 69,494.91

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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.