Home / 123,628.56-170,611.48-69,922.32

Finding the Fourth Proportional to 123,628.56, 170,611.48 and 69,922.32

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Solution

The fourth proportional to 123,628.56, 170,611.48 and 69,922.32 is: 96,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,628.56 : 170,611.48 = 69,922.32 : x
  2. Step 2: Convert to fraction form
    123,628.56/170,611.48 = 69,922.32/x
  3. Step 3: Cross multiply
    123,628.56x = 170,611.48 × 69,922.32
  4. Step 4: Simplify right side
    123,628.56x = 11,929,550,500.23
  5. Step 5: Solve for x
    x = 11,929,550,500.23/123,628.56
  6. Step 6: Final answer
    x = 96,495.10

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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.