Home / 104,089.06-143,645.52-63,825

Finding the Fourth Proportional to 104,089.06, 143,645.52 and 63,825

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Solution

The fourth proportional to 104,089.06, 143,645.52 and 63,825 is: 88,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.06 : 143,645.52 = 63,825 : x
  2. Step 2: Convert to fraction form
    104,089.06/143,645.52 = 63,825/x
  3. Step 3: Cross multiply
    104,089.06x = 143,645.52 × 63,825
  4. Step 4: Simplify right side
    104,089.06x = 9,168,175,314
  5. Step 5: Solve for x
    x = 9,168,175,314/104,089.06
  6. Step 6: Final answer
    x = 88,080.10

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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.