Home / 92,975.40-139,448.42-40,370.76

Finding the Fourth Proportional to 92,975.40, 139,448.42 and 40,370.76

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Solution

The fourth proportional to 92,975.40, 139,448.42 and 40,370.76 is: 60,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,975.40 : 139,448.42 = 40,370.76 : x
  2. Step 2: Convert to fraction form
    92,975.40/139,448.42 = 40,370.76/x
  3. Step 3: Cross multiply
    92,975.40x = 139,448.42 × 40,370.76
  4. Step 4: Simplify right side
    92,975.40x = 5,629,638,696.20
  5. Step 5: Solve for x
    x = 5,629,638,696.20/92,975.40
  6. Step 6: Final answer
    x = 60,549.77

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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.