Home / 92,876.67-128,168.46-50,435.10

Finding the Fourth Proportional to 92,876.67, 128,168.46 and 50,435.10

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Solution

The fourth proportional to 92,876.67, 128,168.46 and 50,435.10 is: 69,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,876.67 : 128,168.46 = 50,435.10 : x
  2. Step 2: Convert to fraction form
    92,876.67/128,168.46 = 50,435.10/x
  3. Step 3: Cross multiply
    92,876.67x = 128,168.46 × 50,435.10
  4. Step 4: Simplify right side
    92,876.67x = 6,464,189,096.95
  5. Step 5: Solve for x
    x = 6,464,189,096.95/92,876.67
  6. Step 6: Final answer
    x = 69,599.71

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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.