Home / 123,292.94-170,143.54-66,703.10

Finding the Fourth Proportional to 123,292.94, 170,143.54 and 66,703.10

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Solution

The fourth proportional to 123,292.94, 170,143.54 and 66,703.10 is: 92,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,292.94 : 170,143.54 = 66,703.10 : x
  2. Step 2: Convert to fraction form
    123,292.94/170,143.54 = 66,703.10/x
  3. Step 3: Cross multiply
    123,292.94x = 170,143.54 × 66,703.10
  4. Step 4: Simplify right side
    123,292.94x = 11,349,100,545.50
  5. Step 5: Solve for x
    x = 11,349,100,545.50/123,292.94
  6. Step 6: Final answer
    x = 92,049.89

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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.