Home / 54,762.12-82,168.74-53,877.60

Finding the Fourth Proportional to 54,762.12, 82,168.74 and 53,877.60

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Solution

The fourth proportional to 54,762.12, 82,168.74 and 53,877.60 is: 80,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,762.12 : 82,168.74 = 53,877.60 : x
  2. Step 2: Convert to fraction form
    54,762.12/82,168.74 = 53,877.60/x
  3. Step 3: Cross multiply
    54,762.12x = 82,168.74 × 53,877.60
  4. Step 4: Simplify right side
    54,762.12x = 4,427,054,506.22
  5. Step 5: Solve for x
    x = 4,427,054,506.22/54,762.12
  6. Step 6: Final answer
    x = 80,841.55

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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.