Home / 102,705.32-141,734.28-60,264.56

Finding the Fourth Proportional to 102,705.32, 141,734.28 and 60,264.56

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Solution

The fourth proportional to 102,705.32, 141,734.28 and 60,264.56 is: 83,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,705.32 : 141,734.28 = 60,264.56 : x
  2. Step 2: Convert to fraction form
    102,705.32/141,734.28 = 60,264.56/x
  3. Step 3: Cross multiply
    102,705.32x = 141,734.28 × 60,264.56
  4. Step 4: Simplify right side
    102,705.32x = 8,541,554,021.12
  5. Step 5: Solve for x
    x = 8,541,554,021.12/102,705.32
  6. Step 6: Final answer
    x = 83,165.64

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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.