Home / 63,743.12-87,958.36-35,447.12

Finding the Fourth Proportional to 63,743.12, 87,958.36 and 35,447.12

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Solution

The fourth proportional to 63,743.12, 87,958.36 and 35,447.12 is: 48,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,743.12 : 87,958.36 = 35,447.12 : x
  2. Step 2: Convert to fraction form
    63,743.12/87,958.36 = 35,447.12/x
  3. Step 3: Cross multiply
    63,743.12x = 87,958.36 × 35,447.12
  4. Step 4: Simplify right side
    63,743.12x = 3,117,870,541.92
  5. Step 5: Solve for x
    x = 3,117,870,541.92/63,743.12
  6. Step 6: Final answer
    x = 48,913.05

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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.