Home / 82,247.85-113,554.80-67,176.68

Finding the Fourth Proportional to 82,247.85, 113,554.80 and 67,176.68

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Solution

The fourth proportional to 82,247.85, 113,554.80 and 67,176.68 is: 92,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247.85 : 113,554.80 = 67,176.68 : x
  2. Step 2: Convert to fraction form
    82,247.85/113,554.80 = 67,176.68/x
  3. Step 3: Cross multiply
    82,247.85x = 113,554.80 × 67,176.68
  4. Step 4: Simplify right side
    82,247.85x = 7,628,233,894.29
  5. Step 5: Solve for x
    x = 7,628,233,894.29/82,247.85
  6. Step 6: Final answer
    x = 92,746.91

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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.