Home / 104,443.49-144,134.30-63,609.55

Finding the Fourth Proportional to 104,443.49, 144,134.30 and 63,609.55

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Solution

The fourth proportional to 104,443.49, 144,134.30 and 63,609.55 is: 87,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,443.49 : 144,134.30 = 63,609.55 : x
  2. Step 2: Convert to fraction form
    104,443.49/144,134.30 = 63,609.55/x
  3. Step 3: Cross multiply
    104,443.49x = 144,134.30 × 63,609.55
  4. Step 4: Simplify right side
    104,443.49x = 9,168,317,761.25
  5. Step 5: Solve for x
    x = 9,168,317,761.25/104,443.49
  6. Step 6: Final answer
    x = 87,782.57

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1.5x scale

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.