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Finding the Fourth Proportional to 74,585.70, 102,893.67 and 44,354.10

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Solution

The fourth proportional to 74,585.70, 102,893.67 and 44,354.10 is: 61,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,585.70 : 102,893.67 = 44,354.10 : x
  2. Step 2: Convert to fraction form
    74,585.70/102,893.67 = 44,354.10/x
  3. Step 3: Cross multiply
    74,585.70x = 102,893.67 × 44,354.10
  4. Step 4: Simplify right side
    74,585.70x = 4,563,756,128.55
  5. Step 5: Solve for x
    x = 4,563,756,128.55/74,585.70
  6. Step 6: Final answer
    x = 61,188.08

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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.