Home / 92,826.16-128,100.24-50,384.70

Finding the Fourth Proportional to 92,826.16, 128,100.24 and 50,384.70

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Solution

The fourth proportional to 92,826.16, 128,100.24 and 50,384.70 is: 69,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.16 : 128,100.24 = 50,384.70 : x
  2. Step 2: Convert to fraction form
    92,826.16/128,100.24 = 50,384.70/x
  3. Step 3: Cross multiply
    92,826.16x = 128,100.24 × 50,384.70
  4. Step 4: Simplify right side
    92,826.16x = 6,454,292,162.33
  5. Step 5: Solve for x
    x = 6,454,292,162.33/92,826.16
  6. Step 6: Final answer
    x = 69,530.96

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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.