Home / 109,741.35-164,608.30-46,520.80

Finding the Fourth Proportional to 109,741.35, 164,608.30 and 46,520.80

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Solution

The fourth proportional to 109,741.35, 164,608.30 and 46,520.80 is: 69,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,741.35 : 164,608.30 = 46,520.80 : x
  2. Step 2: Convert to fraction form
    109,741.35/164,608.30 = 46,520.80/x
  3. Step 3: Cross multiply
    109,741.35x = 164,608.30 × 46,520.80
  4. Step 4: Simplify right side
    109,741.35x = 7,657,710,097.86
  5. Step 5: Solve for x
    x = 7,657,710,097.86/109,741.35
  6. Step 6: Final answer
    x = 69,779.62

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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.