Home / 123,242.04-170,071.25-69,525.68

Finding the Fourth Proportional to 123,242.04, 170,071.25 and 69,525.68

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Solution

The fourth proportional to 123,242.04, 170,071.25 and 69,525.68 is: 95,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,242.04 : 170,071.25 = 69,525.68 : x
  2. Step 2: Convert to fraction form
    123,242.04/170,071.25 = 69,525.68/x
  3. Step 3: Cross multiply
    123,242.04x = 170,071.25 × 69,525.68
  4. Step 4: Simplify right side
    123,242.04x = 11,824,318,106.72
  5. Step 5: Solve for x
    x = 11,824,318,106.72/123,242.04
  6. Step 6: Final answer
    x = 95,943.87

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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.