Home / 123,483.93-170,407.58-66,895.44

Finding the Fourth Proportional to 123,483.93, 170,407.58 and 66,895.44

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Solution

The fourth proportional to 123,483.93, 170,407.58 and 66,895.44 is: 92,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,483.93 : 170,407.58 = 66,895.44 : x
  2. Step 2: Convert to fraction form
    123,483.93/170,407.58 = 66,895.44/x
  3. Step 3: Cross multiply
    123,483.93x = 170,407.58 × 66,895.44
  4. Step 4: Simplify right side
    123,483.93x = 11,399,489,708.96
  5. Step 5: Solve for x
    x = 11,399,489,708.96/123,483.93
  6. Step 6: Final answer
    x = 92,315.57

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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.