Home / 49,925.50-68,903.93-31,778.02

Finding the Fourth Proportional to 49,925.50, 68,903.93 and 31,778.02

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Solution

The fourth proportional to 49,925.50, 68,903.93 and 31,778.02 is: 43,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,925.50 : 68,903.93 = 31,778.02 : x
  2. Step 2: Convert to fraction form
    49,925.50/68,903.93 = 31,778.02/x
  3. Step 3: Cross multiply
    49,925.50x = 68,903.93 × 31,778.02
  4. Step 4: Simplify right side
    49,925.50x = 2,189,630,631.19
  5. Step 5: Solve for x
    x = 2,189,630,631.19/49,925.50
  6. Step 6: Final answer
    x = 43,857.96

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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.