Home / 74,465.24-102,762.72-40,473.81

Finding the Fourth Proportional to 74,465.24, 102,762.72 and 40,473.81

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Solution

The fourth proportional to 74,465.24, 102,762.72 and 40,473.81 is: 55,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465.24 : 102,762.72 = 40,473.81 : x
  2. Step 2: Convert to fraction form
    74,465.24/102,762.72 = 40,473.81/x
  3. Step 3: Cross multiply
    74,465.24x = 102,762.72 × 40,473.81
  4. Step 4: Simplify right side
    74,465.24x = 4,159,198,648.64
  5. Step 5: Solve for x
    x = 4,159,198,648.64/74,465.24
  6. Step 6: Final answer
    x = 55,854.23

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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.