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Finding the Fourth Proportional to 69,398.74, 104,098.11 and 34,303.06

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Solution

The fourth proportional to 69,398.74, 104,098.11 and 34,303.06 is: 51,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.74 : 104,098.11 = 34,303.06 : x
  2. Step 2: Convert to fraction form
    69,398.74/104,098.11 = 34,303.06/x
  3. Step 3: Cross multiply
    69,398.74x = 104,098.11 × 34,303.06
  4. Step 4: Simplify right side
    69,398.74x = 3,570,883,713.22
  5. Step 5: Solve for x
    x = 3,570,883,713.22/69,398.74
  6. Step 6: Final answer
    x = 51,454.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.