Home / 119,744.61-165,248.69-66,031.55

Finding the Fourth Proportional to 119,744.61, 165,248.69 and 66,031.55

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Solution

The fourth proportional to 119,744.61, 165,248.69 and 66,031.55 is: 91,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.61 : 165,248.69 = 66,031.55 : x
  2. Step 2: Convert to fraction form
    119,744.61/165,248.69 = 66,031.55/x
  3. Step 3: Cross multiply
    119,744.61x = 165,248.69 × 66,031.55
  4. Step 4: Simplify right side
    119,744.61x = 10,911,627,219.13
  5. Step 5: Solve for x
    x = 10,911,627,219.13/119,744.61
  6. Step 6: Final answer
    x = 91,124.16

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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.