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Finding the Fourth Proportional to 59,069.74, 88,621.76 and 19,087.88

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Solution

The fourth proportional to 59,069.74, 88,621.76 and 19,087.88 is: 28,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,069.74 : 88,621.76 = 19,087.88 : x
  2. Step 2: Convert to fraction form
    59,069.74/88,621.76 = 19,087.88/x
  3. Step 3: Cross multiply
    59,069.74x = 88,621.76 × 19,087.88
  4. Step 4: Simplify right side
    59,069.74x = 1,691,601,424.83
  5. Step 5: Solve for x
    x = 1,691,601,424.83/59,069.74
  6. Step 6: Final answer
    x = 28,637.36

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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.