Home / 52,749.12-72,793.92-28,875.96

Finding the Fourth Proportional to 52,749.12, 72,793.92 and 28,875.96

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Solution

The fourth proportional to 52,749.12, 72,793.92 and 28,875.96 is: 39,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,749.12 : 72,793.92 = 28,875.96 : x
  2. Step 2: Convert to fraction form
    52,749.12/72,793.92 = 28,875.96/x
  3. Step 3: Cross multiply
    52,749.12x = 72,793.92 × 28,875.96
  4. Step 4: Simplify right side
    52,749.12x = 2,101,994,322.16
  5. Step 5: Solve for x
    x = 2,101,994,322.16/52,749.12
  6. Step 6: Final answer
    x = 39,848.90

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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.