Home / 52,663.96-72,675.81-28,790.56

Finding the Fourth Proportional to 52,663.96, 72,675.81 and 28,790.56

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Solution

The fourth proportional to 52,663.96, 72,675.81 and 28,790.56 is: 39,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,663.96 : 72,675.81 = 28,790.56 : x
  2. Step 2: Convert to fraction form
    52,663.96/72,675.81 = 28,790.56/x
  3. Step 3: Cross multiply
    52,663.96x = 72,675.81 × 28,790.56
  4. Step 4: Simplify right side
    52,663.96x = 2,092,377,268.35
  5. Step 5: Solve for x
    x = 2,092,377,268.35/52,663.96
  6. Step 6: Final answer
    x = 39,730.72

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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.