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Finding the Fourth Proportional to 59,653.60, 89,370.24 and 49,855.84

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Solution

The fourth proportional to 59,653.60, 89,370.24 and 49,855.84 is: 74,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,653.60 : 89,370.24 = 49,855.84 : x
  2. Step 2: Convert to fraction form
    59,653.60/89,370.24 = 49,855.84/x
  3. Step 3: Cross multiply
    59,653.60x = 89,370.24 × 49,855.84
  4. Step 4: Simplify right side
    59,653.60x = 4,455,628,386.20
  5. Step 5: Solve for x
    x = 4,455,628,386.20/59,653.60
  6. Step 6: Final answer
    x = 74,691.69

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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.