Home / 49,603.96-68,454.67-28,390.06

Finding the Fourth Proportional to 49,603.96, 68,454.67 and 28,390.06

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Solution

The fourth proportional to 49,603.96, 68,454.67 and 28,390.06 is: 39,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,603.96 : 68,454.67 = 28,390.06 : x
  2. Step 2: Convert to fraction form
    49,603.96/68,454.67 = 28,390.06/x
  3. Step 3: Cross multiply
    49,603.96x = 68,454.67 × 28,390.06
  4. Step 4: Simplify right side
    49,603.96x = 1,943,432,188.58
  5. Step 5: Solve for x
    x = 1,943,432,188.58/49,603.96
  6. Step 6: Final answer
    x = 39,178.97

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1.5x scale

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.