Home / 74,928.03-103,407.83-40,941.68

Finding the Fourth Proportional to 74,928.03, 103,407.83 and 40,941.68

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Solution

The fourth proportional to 74,928.03, 103,407.83 and 40,941.68 is: 56,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.03 : 103,407.83 = 40,941.68 : x
  2. Step 2: Convert to fraction form
    74,928.03/103,407.83 = 40,941.68/x
  3. Step 3: Cross multiply
    74,928.03x = 103,407.83 × 40,941.68
  4. Step 4: Simplify right side
    74,928.03x = 4,233,690,298.81
  5. Step 5: Solve for x
    x = 4,233,690,298.81/74,928.03
  6. Step 6: Final answer
    x = 56,503.43

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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.