Home / 109,701.74-151,388.52-59,400.62

Finding the Fourth Proportional to 109,701.74, 151,388.52 and 59,400.62

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Solution

The fourth proportional to 109,701.74, 151,388.52 and 59,400.62 is: 81,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,701.74 : 151,388.52 = 59,400.62 : x
  2. Step 2: Convert to fraction form
    109,701.74/151,388.52 = 59,400.62/x
  3. Step 3: Cross multiply
    109,701.74x = 151,388.52 × 59,400.62
  4. Step 4: Simplify right side
    109,701.74x = 8,992,571,948.88
  5. Step 5: Solve for x
    x = 8,992,571,948.88/109,701.74
  6. Step 6: Final answer
    x = 81,972.92

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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.