Home / 69,157.08-95,438.64-38,943.48

Finding the Fourth Proportional to 69,157.08, 95,438.64 and 38,943.48

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Solution

The fourth proportional to 69,157.08, 95,438.64 and 38,943.48 is: 53,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,157.08 : 95,438.64 = 38,943.48 : x
  2. Step 2: Convert to fraction form
    69,157.08/95,438.64 = 38,943.48/x
  3. Step 3: Cross multiply
    69,157.08x = 95,438.64 × 38,943.48
  4. Step 4: Simplify right side
    69,157.08x = 3,716,712,768.07
  5. Step 5: Solve for x
    x = 3,716,712,768.07/69,157.08
  6. Step 6: Final answer
    x = 53,743.06

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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.