Home / 92,826.49-128,100.66-50,385.01

Finding the Fourth Proportional to 92,826.49, 128,100.66 and 50,385.01

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Solution

The fourth proportional to 92,826.49, 128,100.66 and 50,385.01 is: 69,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.49 : 128,100.66 = 50,385.01 : x
  2. Step 2: Convert to fraction form
    92,826.49/128,100.66 = 50,385.01/x
  3. Step 3: Cross multiply
    92,826.49x = 128,100.66 × 50,385.01
  4. Step 4: Simplify right side
    92,826.49x = 6,454,353,035.11
  5. Step 5: Solve for x
    x = 6,454,353,035.11/92,826.49
  6. Step 6: Final answer
    x = 69,531.37

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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.