Home / 65,916.74-90,964.55-35,701.36

Finding the Fourth Proportional to 65,916.74, 90,964.55 and 35,701.36

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Solution

The fourth proportional to 65,916.74, 90,964.55 and 35,701.36 is: 49,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.74 : 90,964.55 = 35,701.36 : x
  2. Step 2: Convert to fraction form
    65,916.74/90,964.55 = 35,701.36/x
  3. Step 3: Cross multiply
    65,916.74x = 90,964.55 × 35,701.36
  4. Step 4: Simplify right side
    65,916.74x = 3,247,558,146.79
  5. Step 5: Solve for x
    x = 3,247,558,146.79/65,916.74
  6. Step 6: Final answer
    x = 49,267.58

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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.