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Finding the Fourth Proportional to 59,860.28, 89,803.41 and 29,890.64

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Solution

The fourth proportional to 59,860.28, 89,803.41 and 29,890.64 is: 44,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,860.28 : 89,803.41 = 29,890.64 : x
  2. Step 2: Convert to fraction form
    59,860.28/89,803.41 = 29,890.64/x
  3. Step 3: Cross multiply
    59,860.28x = 89,803.41 × 29,890.64
  4. Step 4: Simplify right side
    59,860.28x = 2,684,281,399.08
  5. Step 5: Solve for x
    x = 2,684,281,399.08/59,860.28
  6. Step 6: Final answer
    x = 44,842.45

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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.