Home / 90,902.52-125,451.18-50,066.64

Finding the Fourth Proportional to 90,902.52, 125,451.18 and 50,066.64

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Solution

The fourth proportional to 90,902.52, 125,451.18 and 50,066.64 is: 69,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,902.52 : 125,451.18 = 50,066.64 : x
  2. Step 2: Convert to fraction form
    90,902.52/125,451.18 = 50,066.64/x
  3. Step 3: Cross multiply
    90,902.52x = 125,451.18 × 50,066.64
  4. Step 4: Simplify right side
    90,902.52x = 6,280,918,502.67
  5. Step 5: Solve for x
    x = 6,280,918,502.67/90,902.52
  6. Step 6: Final answer
    x = 69,095.10

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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.