Home / 67,641.94-93,383.45-40,791.25

Finding the Fourth Proportional to 67,641.94, 93,383.45 and 40,791.25

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Solution

The fourth proportional to 67,641.94, 93,383.45 and 40,791.25 is: 56,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,641.94 : 93,383.45 = 40,791.25 : x
  2. Step 2: Convert to fraction form
    67,641.94/93,383.45 = 40,791.25/x
  3. Step 3: Cross multiply
    67,641.94x = 93,383.45 × 40,791.25
  4. Step 4: Simplify right side
    67,641.94x = 3,809,227,654.81
  5. Step 5: Solve for x
    x = 3,809,227,654.81/67,641.94
  6. Step 6: Final answer
    x = 56,314.58

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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.