Home / 123,675.36-170,673.08-67,087.84

Finding the Fourth Proportional to 123,675.36, 170,673.08 and 67,087.84

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Solution

The fourth proportional to 123,675.36, 170,673.08 and 67,087.84 is: 92,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,675.36 : 170,673.08 = 67,087.84 : x
  2. Step 2: Convert to fraction form
    123,675.36/170,673.08 = 67,087.84/x
  3. Step 3: Cross multiply
    123,675.36x = 170,673.08 × 67,087.84
  4. Step 4: Simplify right side
    123,675.36x = 11,450,088,283.35
  5. Step 5: Solve for x
    x = 11,450,088,283.35/123,675.36
  6. Step 6: Final answer
    x = 92,581.81

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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.