Home / 109,528.84-151,147.08-61,778.44

Finding the Fourth Proportional to 109,528.84, 151,147.08 and 61,778.44

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Solution

The fourth proportional to 109,528.84, 151,147.08 and 61,778.44 is: 85,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,528.84 : 151,147.08 = 61,778.44 : x
  2. Step 2: Convert to fraction form
    109,528.84/151,147.08 = 61,778.44/x
  3. Step 3: Cross multiply
    109,528.84x = 151,147.08 × 61,778.44
  4. Step 4: Simplify right side
    109,528.84x = 9,337,630,812.96
  5. Step 5: Solve for x
    x = 9,337,630,812.96/109,528.84
  6. Step 6: Final answer
    x = 85,252.71

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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.