Home / 123,975.24-171,085.14-70,270.41

Finding the Fourth Proportional to 123,975.24, 171,085.14 and 70,270.41

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Solution

The fourth proportional to 123,975.24, 171,085.14 and 70,270.41 is: 96,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,975.24 : 171,085.14 = 70,270.41 : x
  2. Step 2: Convert to fraction form
    123,975.24/171,085.14 = 70,270.41/x
  3. Step 3: Cross multiply
    123,975.24x = 171,085.14 × 70,270.41
  4. Step 4: Simplify right side
    123,975.24x = 12,022,222,932.71
  5. Step 5: Solve for x
    x = 12,022,222,932.71/123,975.24
  6. Step 6: Final answer
    x = 96,972.77

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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.