Home / 74,633.16-102,962.34-49,438.92

Finding the Fourth Proportional to 74,633.16, 102,962.34 and 49,438.92

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Solution

The fourth proportional to 74,633.16, 102,962.34 and 49,438.92 is: 68,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,633.16 : 102,962.34 = 49,438.92 : x
  2. Step 2: Convert to fraction form
    74,633.16/102,962.34 = 49,438.92/x
  3. Step 3: Cross multiply
    74,633.16x = 102,962.34 × 49,438.92
  4. Step 4: Simplify right side
    74,633.16x = 5,090,346,890.27
  5. Step 5: Solve for x
    x = 5,090,346,890.27/74,633.16
  6. Step 6: Final answer
    x = 68,204.90

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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.