Home / 63,427.69-87,331.03-53,847.73

Finding the Fourth Proportional to 63,427.69, 87,331.03 and 53,847.73

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Solution

The fourth proportional to 63,427.69, 87,331.03 and 53,847.73 is: 74,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,427.69 : 87,331.03 = 53,847.73 : x
  2. Step 2: Convert to fraction form
    63,427.69/87,331.03 = 53,847.73/x
  3. Step 3: Cross multiply
    63,427.69x = 87,331.03 × 53,847.73
  4. Step 4: Simplify right side
    63,427.69x = 4,702,577,724.06
  5. Step 5: Solve for x
    x = 4,702,577,724.06/63,427.69
  6. Step 6: Final answer
    x = 74,140.77

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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.