Home / 74,258.24-102,474.24-40,723.52

Finding the Fourth Proportional to 74,258.24, 102,474.24 and 40,723.52

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Solution

The fourth proportional to 74,258.24, 102,474.24 and 40,723.52 is: 56,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.24 : 102,474.24 = 40,723.52 : x
  2. Step 2: Convert to fraction form
    74,258.24/102,474.24 = 40,723.52/x
  3. Step 3: Cross multiply
    74,258.24x = 102,474.24 × 40,723.52
  4. Step 4: Simplify right side
    74,258.24x = 4,173,111,762.12
  5. Step 5: Solve for x
    x = 4,173,111,762.12/74,258.24
  6. Step 6: Final answer
    x = 56,197.29

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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.