Home / 109,544.37-151,172.69-61,797.57

Finding the Fourth Proportional to 109,544.37, 151,172.69 and 61,797.57

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Solution

The fourth proportional to 109,544.37, 151,172.69 and 61,797.57 is: 85,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,544.37 : 151,172.69 = 61,797.57 : x
  2. Step 2: Convert to fraction form
    109,544.37/151,172.69 = 61,797.57/x
  3. Step 3: Cross multiply
    109,544.37x = 151,172.69 × 61,797.57
  4. Step 4: Simplify right side
    109,544.37x = 9,342,104,892.36
  5. Step 5: Solve for x
    x = 9,342,104,892.36/109,544.37
  6. Step 6: Final answer
    x = 85,281.47

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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.