Home / 55,658.93-76,790.63-31,768.79

Finding the Fourth Proportional to 55,658.93, 76,790.63 and 31,768.79

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Solution

The fourth proportional to 55,658.93, 76,790.63 and 31,768.79 is: 43,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658.93 : 76,790.63 = 31,768.79 : x
  2. Step 2: Convert to fraction form
    55,658.93/76,790.63 = 31,768.79/x
  3. Step 3: Cross multiply
    55,658.93x = 76,790.63 × 31,768.79
  4. Step 4: Simplify right side
    55,658.93x = 2,439,544,855.64
  5. Step 5: Solve for x
    x = 2,439,544,855.64/55,658.93
  6. Step 6: Final answer
    x = 43,830.25

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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.