Home / 109,261.53-150,783.75-61,516.62

Finding the Fourth Proportional to 109,261.53, 150,783.75 and 61,516.62

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Solution

The fourth proportional to 109,261.53, 150,783.75 and 61,516.62 is: 84,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,261.53 : 150,783.75 = 61,516.62 : x
  2. Step 2: Convert to fraction form
    109,261.53/150,783.75 = 61,516.62/x
  3. Step 3: Cross multiply
    109,261.53x = 150,783.75 × 61,516.62
  4. Step 4: Simplify right side
    109,261.53x = 9,275,706,650.93
  5. Step 5: Solve for x
    x = 9,275,706,650.93/109,261.53
  6. Step 6: Final answer
    x = 84,894.53

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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.