Home / 123,801.55-170,850.23-70,085.46

Finding the Fourth Proportional to 123,801.55, 170,850.23 and 70,085.46

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Solution

The fourth proportional to 123,801.55, 170,850.23 and 70,085.46 is: 96,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,801.55 : 170,850.23 = 70,085.46 : x
  2. Step 2: Convert to fraction form
    123,801.55/170,850.23 = 70,085.46/x
  3. Step 3: Cross multiply
    123,801.55x = 170,850.23 × 70,085.46
  4. Step 4: Simplify right side
    123,801.55x = 11,974,116,960.66
  5. Step 5: Solve for x
    x = 11,974,116,960.66/123,801.55
  6. Step 6: Final answer
    x = 96,720.25

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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.