Home / 74,644.12-103,016.16-55,748.44

Finding the Fourth Proportional to 74,644.12, 103,016.16 and 55,748.44

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Solution

The fourth proportional to 74,644.12, 103,016.16 and 55,748.44 is: 76,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644.12 : 103,016.16 = 55,748.44 : x
  2. Step 2: Convert to fraction form
    74,644.12/103,016.16 = 55,748.44/x
  3. Step 3: Cross multiply
    74,644.12x = 103,016.16 × 55,748.44
  4. Step 4: Simplify right side
    74,644.12x = 5,742,990,214.79
  5. Step 5: Solve for x
    x = 5,742,990,214.79/74,644.12
  6. Step 6: Final answer
    x = 76,938.28

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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.