Home / 124,779.50-187,056.93-45,876.86

Finding the Fourth Proportional to 124,779.50, 187,056.93 and 45,876.86

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Solution

The fourth proportional to 124,779.50, 187,056.93 and 45,876.86 is: 68,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,779.50 : 187,056.93 = 45,876.86 : x
  2. Step 2: Convert to fraction form
    124,779.50/187,056.93 = 45,876.86/x
  3. Step 3: Cross multiply
    124,779.50x = 187,056.93 × 45,876.86
  4. Step 4: Simplify right side
    124,779.50x = 8,581,584,589.64
  5. Step 5: Solve for x
    x = 8,581,584,589.64/124,779.50
  6. Step 6: Final answer
    x = 68,773.99

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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.