Home / 65,916.18-90,964.32-35,701.26

Finding the Fourth Proportional to 65,916.18, 90,964.32 and 35,701.26

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Solution

The fourth proportional to 65,916.18, 90,964.32 and 35,701.26 is: 49,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.18 : 90,964.32 = 35,701.26 : x
  2. Step 2: Convert to fraction form
    65,916.18/90,964.32 = 35,701.26/x
  3. Step 3: Cross multiply
    65,916.18x = 90,964.32 × 35,701.26
  4. Step 4: Simplify right side
    65,916.18x = 3,247,540,364.05
  5. Step 5: Solve for x
    x = 3,247,540,364.05/65,916.18
  6. Step 6: Final answer
    x = 49,267.73

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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.