Home / 92,910.17-128,216.16-50,468.69

Finding the Fourth Proportional to 92,910.17, 128,216.16 and 50,468.69

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Solution

The fourth proportional to 92,910.17, 128,216.16 and 50,468.69 is: 69,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,910.17 : 128,216.16 = 50,468.69 : x
  2. Step 2: Convert to fraction form
    92,910.17/128,216.16 = 50,468.69/x
  3. Step 3: Cross multiply
    92,910.17x = 128,216.16 × 50,468.69
  4. Step 4: Simplify right side
    92,910.17x = 6,470,901,952.57
  5. Step 5: Solve for x
    x = 6,470,901,952.57/92,910.17
  6. Step 6: Final answer
    x = 69,646.86

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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.