Home / 109,181.12-163,811.76-46,017.20

Finding the Fourth Proportional to 109,181.12, 163,811.76 and 46,017.20

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Solution

The fourth proportional to 109,181.12, 163,811.76 and 46,017.20 is: 69,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,181.12 : 163,811.76 = 46,017.20 : x
  2. Step 2: Convert to fraction form
    109,181.12/163,811.76 = 46,017.20/x
  3. Step 3: Cross multiply
    109,181.12x = 163,811.76 × 46,017.20
  4. Step 4: Simplify right side
    109,181.12x = 7,538,158,522.27
  5. Step 5: Solve for x
    x = 7,538,158,522.27/109,181.12
  6. Step 6: Final answer
    x = 69,042.69

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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.