Home / 69,656.72-96,126.01-39,439.06

Finding the Fourth Proportional to 69,656.72, 96,126.01 and 39,439.06

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Solution

The fourth proportional to 69,656.72, 96,126.01 and 39,439.06 is: 54,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,656.72 : 96,126.01 = 39,439.06 : x
  2. Step 2: Convert to fraction form
    69,656.72/96,126.01 = 39,439.06/x
  3. Step 3: Cross multiply
    69,656.72x = 96,126.01 × 39,439.06
  4. Step 4: Simplify right side
    69,656.72x = 3,791,119,475.95
  5. Step 5: Solve for x
    x = 3,791,119,475.95/69,656.72
  6. Step 6: Final answer
    x = 54,425.75

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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.