Home / 107,051.13-160,609.10-40,511.66

Finding the Fourth Proportional to 107,051.13, 160,609.10 and 40,511.66

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Solution

The fourth proportional to 107,051.13, 160,609.10 and 40,511.66 is: 60,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,051.13 : 160,609.10 = 40,511.66 : x
  2. Step 2: Convert to fraction form
    107,051.13/160,609.10 = 40,511.66/x
  3. Step 3: Cross multiply
    107,051.13x = 160,609.10 × 40,511.66
  4. Step 4: Simplify right side
    107,051.13x = 6,506,540,246.50
  5. Step 5: Solve for x
    x = 6,506,540,246.50/107,051.13
  6. Step 6: Final answer
    x = 60,779.74

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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.