Home / 82,150.24-113,368.14-48,178.84

Finding the Fourth Proportional to 82,150.24, 113,368.14 and 48,178.84

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Solution

The fourth proportional to 82,150.24, 113,368.14 and 48,178.84 is: 66,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,150.24 : 113,368.14 = 48,178.84 : x
  2. Step 2: Convert to fraction form
    82,150.24/113,368.14 = 48,178.84/x
  3. Step 3: Cross multiply
    82,150.24x = 113,368.14 × 48,178.84
  4. Step 4: Simplify right side
    82,150.24x = 5,461,945,478.16
  5. Step 5: Solve for x
    x = 5,461,945,478.16/82,150.24
  6. Step 6: Final answer
    x = 66,487.27

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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.