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Finding the Fourth Proportional to 60,689.08, 91,033.62 and 39,907.72

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Solution

The fourth proportional to 60,689.08, 91,033.62 and 39,907.72 is: 59,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689.08 : 91,033.62 = 39,907.72 : x
  2. Step 2: Convert to fraction form
    60,689.08/91,033.62 = 39,907.72/x
  3. Step 3: Cross multiply
    60,689.08x = 91,033.62 × 39,907.72
  4. Step 4: Simplify right side
    60,689.08x = 3,632,944,217.55
  5. Step 5: Solve for x
    x = 3,632,944,217.55/60,689.08
  6. Step 6: Final answer
    x = 59,861.58

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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.