Home / 65,928.45-90,981.46-35,713.70

Finding the Fourth Proportional to 65,928.45, 90,981.46 and 35,713.70

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Solution

The fourth proportional to 65,928.45, 90,981.46 and 35,713.70 is: 49,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928.45 : 90,981.46 = 35,713.70 : x
  2. Step 2: Convert to fraction form
    65,928.45/90,981.46 = 35,713.70/x
  3. Step 3: Cross multiply
    65,928.45x = 90,981.46 × 35,713.70
  4. Step 4: Simplify right side
    65,928.45x = 3,249,284,568.00
  5. Step 5: Solve for x
    x = 3,249,284,568.00/65,928.45
  6. Step 6: Final answer
    x = 49,285.01

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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.