Home / 119,763.42-165,281.10-66,048.54

Finding the Fourth Proportional to 119,763.42, 165,281.10 and 66,048.54

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Solution

The fourth proportional to 119,763.42, 165,281.10 and 66,048.54 is: 91,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,763.42 : 165,281.10 = 66,048.54 : x
  2. Step 2: Convert to fraction form
    119,763.42/165,281.10 = 66,048.54/x
  3. Step 3: Cross multiply
    119,763.42x = 165,281.10 × 66,048.54
  4. Step 4: Simplify right side
    119,763.42x = 10,916,575,344.59
  5. Step 5: Solve for x
    x = 10,916,575,344.59/119,763.42
  6. Step 6: Final answer
    x = 91,151.17

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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.