Home / 123,943.95-171,042.63-67,355.33

Finding the Fourth Proportional to 123,943.95, 171,042.63 and 67,355.33

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Solution

The fourth proportional to 123,943.95, 171,042.63 and 67,355.33 is: 92,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,943.95 : 171,042.63 = 67,355.33 : x
  2. Step 2: Convert to fraction form
    123,943.95/171,042.63 = 67,355.33/x
  3. Step 3: Cross multiply
    123,943.95x = 171,042.63 × 67,355.33
  4. Step 4: Simplify right side
    123,943.95x = 11,520,631,932.50
  5. Step 5: Solve for x
    x = 11,520,631,932.50/123,943.95
  6. Step 6: Final answer
    x = 92,950.34

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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.