Home / 124,583.57-171,865.55-81,544.12

Finding the Fourth Proportional to 124,583.57, 171,865.55 and 81,544.12

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Solution

The fourth proportional to 124,583.57, 171,865.55 and 81,544.12 is: 112,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,583.57 : 171,865.55 = 81,544.12 : x
  2. Step 2: Convert to fraction form
    124,583.57/171,865.55 = 81,544.12/x
  3. Step 3: Cross multiply
    124,583.57x = 171,865.55 × 81,544.12
  4. Step 4: Simplify right side
    124,583.57x = 14,014,624,348.58
  5. Step 5: Solve for x
    x = 14,014,624,348.58/124,583.57
  6. Step 6: Final answer
    x = 112,491.76

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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.