Home / 102,623.78-141,581.84-62,322.32

Finding the Fourth Proportional to 102,623.78, 141,581.84 and 62,322.32

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Solution

The fourth proportional to 102,623.78, 141,581.84 and 62,322.32 is: 85,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.78 : 141,581.84 = 62,322.32 : x
  2. Step 2: Convert to fraction form
    102,623.78/141,581.84 = 62,322.32/x
  3. Step 3: Cross multiply
    102,623.78x = 141,581.84 × 62,322.32
  4. Step 4: Simplify right side
    102,623.78x = 8,823,708,738.67
  5. Step 5: Solve for x
    x = 8,823,708,738.67/102,623.78
  6. Step 6: Final answer
    x = 85,981.13

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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.