Home / 102,614.78-141,569.43-62,313.32

Finding the Fourth Proportional to 102,614.78, 141,569.43 and 62,313.32

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Solution

The fourth proportional to 102,614.78, 141,569.43 and 62,313.32 is: 85,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,614.78 : 141,569.43 = 62,313.32 : x
  2. Step 2: Convert to fraction form
    102,614.78/141,569.43 = 62,313.32/x
  3. Step 3: Cross multiply
    102,614.78x = 141,569.43 × 62,313.32
  4. Step 4: Simplify right side
    102,614.78x = 8,821,661,193.81
  5. Step 5: Solve for x
    x = 8,821,661,193.81/102,614.78
  6. Step 6: Final answer
    x = 85,968.72

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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.