Home / 82,558.20-113,928-46,751.60

Finding the Fourth Proportional to 82,558.20, 113,928 and 46,751.60

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Solution

The fourth proportional to 82,558.20, 113,928 and 46,751.60 is: 64,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,558.20 : 113,928 = 46,751.60 : x
  2. Step 2: Convert to fraction form
    82,558.20/113,928 = 46,751.60/x
  3. Step 3: Cross multiply
    82,558.20x = 113,928 × 46,751.60
  4. Step 4: Simplify right side
    82,558.20x = 5,326,316,284.80
  5. Step 5: Solve for x
    x = 5,326,316,284.80/82,558.20
  6. Step 6: Final answer
    x = 64,515.90

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1.5x scale

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.