Home / 66,001.52-99,007.14-28,597.88

Finding the Fourth Proportional to 66,001.52, 99,007.14 and 28,597.88

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Solution

The fourth proportional to 66,001.52, 99,007.14 and 28,597.88 is: 42,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,001.52 : 99,007.14 = 28,597.88 : x
  2. Step 2: Convert to fraction form
    66,001.52/99,007.14 = 28,597.88/x
  3. Step 3: Cross multiply
    66,001.52x = 99,007.14 × 28,597.88
  4. Step 4: Simplify right side
    66,001.52x = 2,831,394,308.86
  5. Step 5: Solve for x
    x = 2,831,394,308.86/66,001.52
  6. Step 6: Final answer
    x = 42,898.93

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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.