Home / 74,374.38-102,626.31-43,748.86

Finding the Fourth Proportional to 74,374.38, 102,626.31 and 43,748.86

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Solution

The fourth proportional to 74,374.38, 102,626.31 and 43,748.86 is: 60,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,374.38 : 102,626.31 = 43,748.86 : x
  2. Step 2: Convert to fraction form
    74,374.38/102,626.31 = 43,748.86/x
  3. Step 3: Cross multiply
    74,374.38x = 102,626.31 × 43,748.86
  4. Step 4: Simplify right side
    74,374.38x = 4,489,784,068.51
  5. Step 5: Solve for x
    x = 4,489,784,068.51/74,374.38
  6. Step 6: Final answer
    x = 60,367.35

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1.5x scale

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.