Home / 48,438.19-72,656.82-28,702.54

Finding the Fourth Proportional to 48,438.19, 72,656.82 and 28,702.54

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Solution

The fourth proportional to 48,438.19, 72,656.82 and 28,702.54 is: 43,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.19 : 72,656.82 = 28,702.54 : x
  2. Step 2: Convert to fraction form
    48,438.19/72,656.82 = 28,702.54/x
  3. Step 3: Cross multiply
    48,438.19x = 72,656.82 × 28,702.54
  4. Step 4: Simplify right side
    48,438.19x = 2,085,435,282.32
  5. Step 5: Solve for x
    x = 2,085,435,282.32/48,438.19
  6. Step 6: Final answer
    x = 43,053.53

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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.