Home / 65,622.40-98,433.60-57,846.40

Finding the Fourth Proportional to 65,622.40, 98,433.60 and 57,846.40

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Solution

The fourth proportional to 65,622.40, 98,433.60 and 57,846.40 is: 86,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,622.40 : 98,433.60 = 57,846.40 : x
  2. Step 2: Convert to fraction form
    65,622.40/98,433.60 = 57,846.40/x
  3. Step 3: Cross multiply
    65,622.40x = 98,433.60 × 57,846.40
  4. Step 4: Simplify right side
    65,622.40x = 5,694,029,399.04
  5. Step 5: Solve for x
    x = 5,694,029,399.04/65,622.40
  6. Step 6: Final answer
    x = 86,769.60

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1.5x scale

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.