Home / 82,235.15-113,485.43-48,244.21

Finding the Fourth Proportional to 82,235.15, 113,485.43 and 48,244.21

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Solution

The fourth proportional to 82,235.15, 113,485.43 and 48,244.21 is: 66,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,235.15 : 113,485.43 = 48,244.21 : x
  2. Step 2: Convert to fraction form
    82,235.15/113,485.43 = 48,244.21/x
  3. Step 3: Cross multiply
    82,235.15x = 113,485.43 × 48,244.21
  4. Step 4: Simplify right side
    82,235.15x = 5,475,014,916.86
  5. Step 5: Solve for x
    x = 5,475,014,916.86/82,235.15
  6. Step 6: Final answer
    x = 66,577.55

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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.