Home / 65,917.40-90,964.62-35,701.56

Finding the Fourth Proportional to 65,917.40, 90,964.62 and 35,701.56

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Solution

The fourth proportional to 65,917.40, 90,964.62 and 35,701.56 is: 49,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.40 : 90,964.62 = 35,701.56 : x
  2. Step 2: Convert to fraction form
    65,917.40/90,964.62 = 35,701.56/x
  3. Step 3: Cross multiply
    65,917.40x = 90,964.62 × 35,701.56
  4. Step 4: Simplify right side
    65,917.40x = 3,247,578,838.81
  5. Step 5: Solve for x
    x = 3,247,578,838.81/65,917.40
  6. Step 6: Final answer
    x = 49,267.40

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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.