Home / 49,692.32-68,641.54-48,969.40

Finding the Fourth Proportional to 49,692.32, 68,641.54 and 48,969.40

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Solution

The fourth proportional to 49,692.32, 68,641.54 and 48,969.40 is: 67,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,692.32 : 68,641.54 = 48,969.40 : x
  2. Step 2: Convert to fraction form
    49,692.32/68,641.54 = 48,969.40/x
  3. Step 3: Cross multiply
    49,692.32x = 68,641.54 × 48,969.40
  4. Step 4: Simplify right side
    49,692.32x = 3,361,334,784.03
  5. Step 5: Solve for x
    x = 3,361,334,784.03/49,692.32
  6. Step 6: Final answer
    x = 67,642.94

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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.