Home / 52,442.64-72,370.80-28,569.31

Finding the Fourth Proportional to 52,442.64, 72,370.80 and 28,569.31

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Solution

The fourth proportional to 52,442.64, 72,370.80 and 28,569.31 is: 39,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.64 : 72,370.80 = 28,569.31 : x
  2. Step 2: Convert to fraction form
    52,442.64/72,370.80 = 28,569.31/x
  3. Step 3: Cross multiply
    52,442.64x = 72,370.80 × 28,569.31
  4. Step 4: Simplify right side
    52,442.64x = 2,067,583,639.22
  5. Step 5: Solve for x
    x = 2,067,583,639.22/52,442.64
  6. Step 6: Final answer
    x = 39,425.62

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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.