Home / 84,682.12-116,857.37-48,883.67

Finding the Fourth Proportional to 84,682.12, 116,857.37 and 48,883.67

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Solution

The fourth proportional to 84,682.12, 116,857.37 and 48,883.67 is: 67,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,682.12 : 116,857.37 = 48,883.67 : x
  2. Step 2: Convert to fraction form
    84,682.12/116,857.37 = 48,883.67/x
  3. Step 3: Cross multiply
    84,682.12x = 116,857.37 × 48,883.67
  4. Step 4: Simplify right side
    84,682.12x = 5,712,417,112.15
  5. Step 5: Solve for x
    x = 5,712,417,112.15/84,682.12
  6. Step 6: Final answer
    x = 67,457.18

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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.