Home / 52,779.74-72,836.15-28,580.96

Finding the Fourth Proportional to 52,779.74, 72,836.15 and 28,580.96

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Solution

The fourth proportional to 52,779.74, 72,836.15 and 28,580.96 is: 39,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.74 : 72,836.15 = 28,580.96 : x
  2. Step 2: Convert to fraction form
    52,779.74/72,836.15 = 28,580.96/x
  3. Step 3: Cross multiply
    52,779.74x = 72,836.15 × 28,580.96
  4. Step 4: Simplify right side
    52,779.74x = 2,081,727,128.89
  5. Step 5: Solve for x
    x = 2,081,727,128.89/52,779.74
  6. Step 6: Final answer
    x = 39,441.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.