Home / 109,037.07-163,619.06-45,852.62

Finding the Fourth Proportional to 109,037.07, 163,619.06 and 45,852.62

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Solution

The fourth proportional to 109,037.07, 163,619.06 and 45,852.62 is: 68,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,037.07 : 163,619.06 = 45,852.62 : x
  2. Step 2: Convert to fraction form
    109,037.07/163,619.06 = 45,852.62/x
  3. Step 3: Cross multiply
    109,037.07x = 163,619.06 × 45,852.62
  4. Step 4: Simplify right side
    109,037.07x = 7,502,361,535.58
  5. Step 5: Solve for x
    x = 7,502,361,535.58/109,037.07
  6. Step 6: Final answer
    x = 68,805.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.