Home / 82,140.60-113,352.30-48,617.40

Finding the Fourth Proportional to 82,140.60, 113,352.30 and 48,617.40

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Solution

The fourth proportional to 82,140.60, 113,352.30 and 48,617.40 is: 67,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,140.60 : 113,352.30 = 48,617.40 : x
  2. Step 2: Convert to fraction form
    82,140.60/113,352.30 = 48,617.40/x
  3. Step 3: Cross multiply
    82,140.60x = 113,352.30 × 48,617.40
  4. Step 4: Simplify right side
    82,140.60x = 5,510,894,110.02
  5. Step 5: Solve for x
    x = 5,510,894,110.02/82,140.60
  6. Step 6: Final answer
    x = 67,090.99

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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.