Home / 74,924.28-112,301.64-30,495.24

Finding the Fourth Proportional to 74,924.28, 112,301.64 and 30,495.24

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Solution

The fourth proportional to 74,924.28, 112,301.64 and 30,495.24 is: 45,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,924.28 : 112,301.64 = 30,495.24 : x
  2. Step 2: Convert to fraction form
    74,924.28/112,301.64 = 30,495.24/x
  3. Step 3: Cross multiply
    74,924.28x = 112,301.64 × 30,495.24
  4. Step 4: Simplify right side
    74,924.28x = 3,424,665,464.19
  5. Step 5: Solve for x
    x = 3,424,665,464.19/74,924.28
  6. Step 6: Final answer
    x = 45,708.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.