Home / 74,946.46-103,399.18-48,103.74

Finding the Fourth Proportional to 74,946.46, 103,399.18 and 48,103.74

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Solution

The fourth proportional to 74,946.46, 103,399.18 and 48,103.74 is: 66,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.46 : 103,399.18 = 48,103.74 : x
  2. Step 2: Convert to fraction form
    74,946.46/103,399.18 = 48,103.74/x
  3. Step 3: Cross multiply
    74,946.46x = 103,399.18 × 48,103.74
  4. Step 4: Simplify right side
    74,946.46x = 4,973,887,270.93
  5. Step 5: Solve for x
    x = 4,973,887,270.93/74,946.46
  6. Step 6: Final answer
    x = 66,365.87

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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.