Home / 106,811.22-147,411.18-68,077.02

Finding the Fourth Proportional to 106,811.22, 147,411.18 and 68,077.02

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Solution

The fourth proportional to 106,811.22, 147,411.18 and 68,077.02 is: 93,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,811.22 : 147,411.18 = 68,077.02 : x
  2. Step 2: Convert to fraction form
    106,811.22/147,411.18 = 68,077.02/x
  3. Step 3: Cross multiply
    106,811.22x = 147,411.18 × 68,077.02
  4. Step 4: Simplify right side
    106,811.22x = 10,035,313,849.08
  5. Step 5: Solve for x
    x = 10,035,313,849.08/106,811.22
  6. Step 6: Final answer
    x = 93,953.74

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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.