Home / 91,895.32-126,793.38-53,643.88

Finding the Fourth Proportional to 91,895.32, 126,793.38 and 53,643.88

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Solution

The fourth proportional to 91,895.32, 126,793.38 and 53,643.88 is: 74,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,895.32 : 126,793.38 = 53,643.88 : x
  2. Step 2: Convert to fraction form
    91,895.32/126,793.38 = 53,643.88/x
  3. Step 3: Cross multiply
    91,895.32x = 126,793.38 × 53,643.88
  4. Step 4: Simplify right side
    91,895.32x = 6,801,688,861.51
  5. Step 5: Solve for x
    x = 6,801,688,861.51/91,895.32
  6. Step 6: Final answer
    x = 74,015.62

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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.