Home / 109,859.84-151,615.08-62,118.56

Finding the Fourth Proportional to 109,859.84, 151,615.08 and 62,118.56

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Solution

The fourth proportional to 109,859.84, 151,615.08 and 62,118.56 is: 85,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,859.84 : 151,615.08 = 62,118.56 : x
  2. Step 2: Convert to fraction form
    109,859.84/151,615.08 = 62,118.56/x
  3. Step 3: Cross multiply
    109,859.84x = 151,615.08 × 62,118.56
  4. Step 4: Simplify right side
    109,859.84x = 9,418,110,443.88
  5. Step 5: Solve for x
    x = 9,418,110,443.88/109,859.84
  6. Step 6: Final answer
    x = 85,728.42

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1.5x scale

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.