Home / 74,564.42-102,895.80-40,573.04

Finding the Fourth Proportional to 74,564.42, 102,895.80 and 40,573.04

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Solution

The fourth proportional to 74,564.42, 102,895.80 and 40,573.04 is: 55,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.42 : 102,895.80 = 40,573.04 : x
  2. Step 2: Convert to fraction form
    74,564.42/102,895.80 = 40,573.04/x
  3. Step 3: Cross multiply
    74,564.42x = 102,895.80 × 40,573.04
  4. Step 4: Simplify right side
    74,564.42x = 4,174,794,742.60
  5. Step 5: Solve for x
    x = 4,174,794,742.60/74,564.42
  6. Step 6: Final answer
    x = 55,989.10

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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.