Home / 55,708.48-76,888.30-43,584.80

Finding the Fourth Proportional to 55,708.48, 76,888.30 and 43,584.80

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Solution

The fourth proportional to 55,708.48, 76,888.30 and 43,584.80 is: 60,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,708.48 : 76,888.30 = 43,584.80 : x
  2. Step 2: Convert to fraction form
    55,708.48/76,888.30 = 43,584.80/x
  3. Step 3: Cross multiply
    55,708.48x = 76,888.30 × 43,584.80
  4. Step 4: Simplify right side
    55,708.48x = 3,351,161,177.84
  5. Step 5: Solve for x
    x = 3,351,161,177.84/55,708.48
  6. Step 6: Final answer
    x = 60,155.32

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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.