Home / 109,046.20-163,547.70-52,886.20

Finding the Fourth Proportional to 109,046.20, 163,547.70 and 52,886.20

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Solution

The fourth proportional to 109,046.20, 163,547.70 and 52,886.20 is: 79,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,046.20 : 163,547.70 = 52,886.20 : x
  2. Step 2: Convert to fraction form
    109,046.20/163,547.70 = 52,886.20/x
  3. Step 3: Cross multiply
    109,046.20x = 163,547.70 × 52,886.20
  4. Step 4: Simplify right side
    109,046.20x = 8,649,416,371.74
  5. Step 5: Solve for x
    x = 8,649,416,371.74/109,046.20
  6. Step 6: Final answer
    x = 79,318.82

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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.