Home / 123,650.40-170,637.75-67,061.82

Finding the Fourth Proportional to 123,650.40, 170,637.75 and 67,061.82

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Solution

The fourth proportional to 123,650.40, 170,637.75 and 67,061.82 is: 92,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,650.40 : 170,637.75 = 67,061.82 : x
  2. Step 2: Convert to fraction form
    123,650.40/170,637.75 = 67,061.82/x
  3. Step 3: Cross multiply
    123,650.40x = 170,637.75 × 67,061.82
  4. Step 4: Simplify right side
    123,650.40x = 11,443,278,075.71
  5. Step 5: Solve for x
    x = 11,443,278,075.71/123,650.40
  6. Step 6: Final answer
    x = 92,545.42

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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.