Home / 92,817.10-128,086.95-50,374.54

Finding the Fourth Proportional to 92,817.10, 128,086.95 and 50,374.54

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Solution

The fourth proportional to 92,817.10, 128,086.95 and 50,374.54 is: 69,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.10 : 128,086.95 = 50,374.54 : x
  2. Step 2: Convert to fraction form
    92,817.10/128,086.95 = 50,374.54/x
  3. Step 3: Cross multiply
    92,817.10x = 128,086.95 × 50,374.54
  4. Step 4: Simplify right side
    92,817.10x = 6,452,321,186.25
  5. Step 5: Solve for x
    x = 6,452,321,186.25/92,817.10
  6. Step 6: Final answer
    x = 69,516.51

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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.