Home / 109,768.08-151,479-59,466.96

Finding the Fourth Proportional to 109,768.08, 151,479 and 59,466.96

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Solution

The fourth proportional to 109,768.08, 151,479 and 59,466.96 is: 82,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768.08 : 151,479 = 59,466.96 : x
  2. Step 2: Convert to fraction form
    109,768.08/151,479 = 59,466.96/x
  3. Step 3: Cross multiply
    109,768.08x = 151,479 × 59,466.96
  4. Step 4: Simplify right side
    109,768.08x = 9,007,995,633.84
  5. Step 5: Solve for x
    x = 9,007,995,633.84/109,768.08
  6. Step 6: Final answer
    x = 82,063.89

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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.