Home / 109,771.06-151,484.79-59,470.06

Finding the Fourth Proportional to 109,771.06, 151,484.79 and 59,470.06

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Solution

The fourth proportional to 109,771.06, 151,484.79 and 59,470.06 is: 82,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.06 : 151,484.79 = 59,470.06 : x
  2. Step 2: Convert to fraction form
    109,771.06/151,484.79 = 59,470.06/x
  3. Step 3: Cross multiply
    109,771.06x = 151,484.79 × 59,470.06
  4. Step 4: Simplify right side
    109,771.06x = 9,008,809,550.39
  5. Step 5: Solve for x
    x = 9,008,809,550.39/109,771.06
  6. Step 6: Final answer
    x = 82,069.08

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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.