Home / 55,275.10-82,912.65-45,433.60

Finding the Fourth Proportional to 55,275.10, 82,912.65 and 45,433.60

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Solution

The fourth proportional to 55,275.10, 82,912.65 and 45,433.60 is: 68,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.10 : 82,912.65 = 45,433.60 : x
  2. Step 2: Convert to fraction form
    55,275.10/82,912.65 = 45,433.60/x
  3. Step 3: Cross multiply
    55,275.10x = 82,912.65 × 45,433.60
  4. Step 4: Simplify right side
    55,275.10x = 3,767,020,175.04
  5. Step 5: Solve for x
    x = 3,767,020,175.04/55,275.10
  6. Step 6: Final answer
    x = 68,150.40

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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.