Home / 66,634.52-99,902.55-31,533.08

Finding the Fourth Proportional to 66,634.52, 99,902.55 and 31,533.08

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Solution

The fourth proportional to 66,634.52, 99,902.55 and 31,533.08 is: 47,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,634.52 : 99,902.55 = 31,533.08 : x
  2. Step 2: Convert to fraction form
    66,634.52/99,902.55 = 31,533.08/x
  3. Step 3: Cross multiply
    66,634.52x = 99,902.55 × 31,533.08
  4. Step 4: Simplify right side
    66,634.52x = 3,150,235,101.35
  5. Step 5: Solve for x
    x = 3,150,235,101.35/66,634.52
  6. Step 6: Final answer
    x = 47,276.32

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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.