Home / 55,766.77-83,640.47-18,327.08

Finding the Fourth Proportional to 55,766.77, 83,640.47 and 18,327.08

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Solution

The fourth proportional to 55,766.77, 83,640.47 and 18,327.08 is: 27,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,766.77 : 83,640.47 = 18,327.08 : x
  2. Step 2: Convert to fraction form
    55,766.77/83,640.47 = 18,327.08/x
  3. Step 3: Cross multiply
    55,766.77x = 83,640.47 × 18,327.08
  4. Step 4: Simplify right side
    55,766.77x = 1,532,885,702.39
  5. Step 5: Solve for x
    x = 1,532,885,702.39/55,766.77
  6. Step 6: Final answer
    x = 27,487.44

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1.5x scale

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.