Home / 124,945-187,436.98-40,685.26

Finding the Fourth Proportional to 124,945, 187,436.98 and 40,685.26

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Solution

The fourth proportional to 124,945, 187,436.98 and 40,685.26 is: 61,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,945 : 187,436.98 = 40,685.26 : x
  2. Step 2: Convert to fraction form
    124,945/187,436.98 = 40,685.26/x
  3. Step 3: Cross multiply
    124,945x = 187,436.98 × 40,685.26
  4. Step 4: Simplify right side
    124,945x = 7,625,922,264.91
  5. Step 5: Solve for x
    x = 7,625,922,264.91/124,945
  6. Step 6: Final answer
    x = 61,034.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.