Home / 92,806.47-139,012.07-45,348.57

Finding the Fourth Proportional to 92,806.47, 139,012.07 and 45,348.57

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Solution

The fourth proportional to 92,806.47, 139,012.07 and 45,348.57 is: 67,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,806.47 : 139,012.07 = 45,348.57 : x
  2. Step 2: Convert to fraction form
    92,806.47/139,012.07 = 45,348.57/x
  3. Step 3: Cross multiply
    92,806.47x = 139,012.07 × 45,348.57
  4. Step 4: Simplify right side
    92,806.47x = 6,303,998,360.50
  5. Step 5: Solve for x
    x = 6,303,998,360.50/92,806.47
  6. Step 6: Final answer
    x = 67,926.28

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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.