Home / 66,252.52-99,403.08-30,730.78

Finding the Fourth Proportional to 66,252.52, 99,403.08 and 30,730.78

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Solution

The fourth proportional to 66,252.52, 99,403.08 and 30,730.78 is: 46,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,252.52 : 99,403.08 = 30,730.78 : x
  2. Step 2: Convert to fraction form
    66,252.52/99,403.08 = 30,730.78/x
  3. Step 3: Cross multiply
    66,252.52x = 99,403.08 × 30,730.78
  4. Step 4: Simplify right side
    66,252.52x = 3,054,734,182.80
  5. Step 5: Solve for x
    x = 3,054,734,182.80/66,252.52
  6. Step 6: Final answer
    x = 46,107.44

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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.