Home / 119,949.93-165,530.88-66,235.05

Finding the Fourth Proportional to 119,949.93, 165,530.88 and 66,235.05

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Solution

The fourth proportional to 119,949.93, 165,530.88 and 66,235.05 is: 91,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,949.93 : 165,530.88 = 66,235.05 : x
  2. Step 2: Convert to fraction form
    119,949.93/165,530.88 = 66,235.05/x
  3. Step 3: Cross multiply
    119,949.93x = 165,530.88 × 66,235.05
  4. Step 4: Simplify right side
    119,949.93x = 10,963,946,113.34
  5. Step 5: Solve for x
    x = 10,963,946,113.34/119,949.93
  6. Step 6: Final answer
    x = 91,404.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.