Home / 43,916.18-66,218.74-40,242.02

Finding the Fourth Proportional to 43,916.18, 66,218.74 and 40,242.02

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Solution

The fourth proportional to 43,916.18, 66,218.74 and 40,242.02 is: 60,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,916.18 : 66,218.74 = 40,242.02 : x
  2. Step 2: Convert to fraction form
    43,916.18/66,218.74 = 40,242.02/x
  3. Step 3: Cross multiply
    43,916.18x = 66,218.74 × 40,242.02
  4. Step 4: Simplify right side
    43,916.18x = 2,664,775,859.45
  5. Step 5: Solve for x
    x = 2,664,775,859.45/43,916.18
  6. Step 6: Final answer
    x = 60,678.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.