Home / 55,550.48-76,657.76-31,684.84

Finding the Fourth Proportional to 55,550.48, 76,657.76 and 31,684.84

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Solution

The fourth proportional to 55,550.48, 76,657.76 and 31,684.84 is: 43,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.48 : 76,657.76 = 31,684.84 : x
  2. Step 2: Convert to fraction form
    55,550.48/76,657.76 = 31,684.84/x
  3. Step 3: Cross multiply
    55,550.48x = 76,657.76 × 31,684.84
  4. Step 4: Simplify right side
    55,550.48x = 2,428,888,860.36
  5. Step 5: Solve for x
    x = 2,428,888,860.36/55,550.48
  6. Step 6: Final answer
    x = 43,723.99

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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.