Home / 105,717.08-145,966.13-68,056.94

Finding the Fourth Proportional to 105,717.08, 145,966.13 and 68,056.94

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Solution

The fourth proportional to 105,717.08, 145,966.13 and 68,056.94 is: 93,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,717.08 : 145,966.13 = 68,056.94 : x
  2. Step 2: Convert to fraction form
    105,717.08/145,966.13 = 68,056.94/x
  3. Step 3: Cross multiply
    105,717.08x = 145,966.13 × 68,056.94
  4. Step 4: Simplify right side
    105,717.08x = 9,934,008,151.44
  5. Step 5: Solve for x
    x = 9,934,008,151.44/105,717.08
  6. Step 6: Final answer
    x = 93,967.86

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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.