Home / 55,632.98-76,728.83-48,904.31

Finding the Fourth Proportional to 55,632.98, 76,728.83 and 48,904.31

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Solution

The fourth proportional to 55,632.98, 76,728.83 and 48,904.31 is: 67,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.98 : 76,728.83 = 48,904.31 : x
  2. Step 2: Convert to fraction form
    55,632.98/76,728.83 = 48,904.31/x
  3. Step 3: Cross multiply
    55,632.98x = 76,728.83 × 48,904.31
  4. Step 4: Simplify right side
    55,632.98x = 3,752,369,860.09
  5. Step 5: Solve for x
    x = 3,752,369,860.09/55,632.98
  6. Step 6: Final answer
    x = 67,448.66

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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.