Home / 123,954.46-171,050.61-70,240.12

Finding the Fourth Proportional to 123,954.46, 171,050.61 and 70,240.12

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Solution

The fourth proportional to 123,954.46, 171,050.61 and 70,240.12 is: 96,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,954.46 : 171,050.61 = 70,240.12 : x
  2. Step 2: Convert to fraction form
    123,954.46/171,050.61 = 70,240.12/x
  3. Step 3: Cross multiply
    123,954.46x = 171,050.61 × 70,240.12
  4. Step 4: Simplify right side
    123,954.46x = 12,014,615,372.47
  5. Step 5: Solve for x
    x = 12,014,615,372.47/123,954.46
  6. Step 6: Final answer
    x = 96,927.66

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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.