Home / 123,759.44-170,780.28-70,055.36

Finding the Fourth Proportional to 123,759.44, 170,780.28 and 70,055.36

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Solution

The fourth proportional to 123,759.44, 170,780.28 and 70,055.36 is: 96,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,759.44 : 170,780.28 = 70,055.36 : x
  2. Step 2: Convert to fraction form
    123,759.44/170,780.28 = 70,055.36/x
  3. Step 3: Cross multiply
    123,759.44x = 170,780.28 × 70,055.36
  4. Step 4: Simplify right side
    123,759.44x = 11,964,073,996.30
  5. Step 5: Solve for x
    x = 11,964,073,996.30/123,759.44
  6. Step 6: Final answer
    x = 96,672.01

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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.