Home / 55,020.66-82,641.42-53,470.32

Finding the Fourth Proportional to 55,020.66, 82,641.42 and 53,470.32

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Solution

The fourth proportional to 55,020.66, 82,641.42 and 53,470.32 is: 80,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.66 : 82,641.42 = 53,470.32 : x
  2. Step 2: Convert to fraction form
    55,020.66/82,641.42 = 53,470.32/x
  3. Step 3: Cross multiply
    55,020.66x = 82,641.42 × 53,470.32
  4. Step 4: Simplify right side
    55,020.66x = 4,418,863,172.65
  5. Step 5: Solve for x
    x = 4,418,863,172.65/55,020.66
  6. Step 6: Final answer
    x = 80,312.80

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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.