Home / 109,869.85-151,623.59-62,122.17

Finding the Fourth Proportional to 109,869.85, 151,623.59 and 62,122.17

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Solution

The fourth proportional to 109,869.85, 151,623.59 and 62,122.17 is: 85,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,869.85 : 151,623.59 = 62,122.17 : x
  2. Step 2: Convert to fraction form
    109,869.85/151,623.59 = 62,122.17/x
  3. Step 3: Cross multiply
    109,869.85x = 151,623.59 × 62,122.17
  4. Step 4: Simplify right side
    109,869.85x = 9,419,186,433.99
  5. Step 5: Solve for x
    x = 9,419,186,433.99/109,869.85
  6. Step 6: Final answer
    x = 85,730.40

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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.