Home / 106,856.04-147,528.52-68,631

Finding the Fourth Proportional to 106,856.04, 147,528.52 and 68,631

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Solution

The fourth proportional to 106,856.04, 147,528.52 and 68,631 is: 94,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,856.04 : 147,528.52 = 68,631 : x
  2. Step 2: Convert to fraction form
    106,856.04/147,528.52 = 68,631/x
  3. Step 3: Cross multiply
    106,856.04x = 147,528.52 × 68,631
  4. Step 4: Simplify right side
    106,856.04x = 10,125,029,856.12
  5. Step 5: Solve for x
    x = 10,125,029,856.12/106,856.04
  6. Step 6: Final answer
    x = 94,753.93

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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.