Home / 69,827.40-96,365.70-39,601.44

Finding the Fourth Proportional to 69,827.40, 96,365.70 and 39,601.44

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Solution

The fourth proportional to 69,827.40, 96,365.70 and 39,601.44 is: 54,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,827.40 : 96,365.70 = 39,601.44 : x
  2. Step 2: Convert to fraction form
    69,827.40/96,365.70 = 39,601.44/x
  3. Step 3: Cross multiply
    69,827.40x = 96,365.70 × 39,601.44
  4. Step 4: Simplify right side
    69,827.40x = 3,816,220,486.61
  5. Step 5: Solve for x
    x = 3,816,220,486.61/69,827.40
  6. Step 6: Final answer
    x = 54,652.19

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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.