Home / 69,207.81-95,511.06-40,142.07

Finding the Fourth Proportional to 69,207.81, 95,511.06 and 40,142.07

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Solution

The fourth proportional to 69,207.81, 95,511.06 and 40,142.07 is: 55,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,207.81 : 95,511.06 = 40,142.07 : x
  2. Step 2: Convert to fraction form
    69,207.81/95,511.06 = 40,142.07/x
  3. Step 3: Cross multiply
    69,207.81x = 95,511.06 × 40,142.07
  4. Step 4: Simplify right side
    69,207.81x = 3,834,011,656.29
  5. Step 5: Solve for x
    x = 3,834,011,656.29/69,207.81
  6. Step 6: Final answer
    x = 55,398.54

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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.