Home / 65,090.64-97,696.11-40,179.36

Finding the Fourth Proportional to 65,090.64, 97,696.11 and 40,179.36

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Solution

The fourth proportional to 65,090.64, 97,696.11 and 40,179.36 is: 60,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,090.64 : 97,696.11 = 40,179.36 : x
  2. Step 2: Convert to fraction form
    65,090.64/97,696.11 = 40,179.36/x
  3. Step 3: Cross multiply
    65,090.64x = 97,696.11 × 40,179.36
  4. Step 4: Simplify right side
    65,090.64x = 3,925,367,174.29
  5. Step 5: Solve for x
    x = 3,925,367,174.29/65,090.64
  6. Step 6: Final answer
    x = 60,306.17

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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.