Home / 81,283.32-112,019.00-58,583.07

Finding the Fourth Proportional to 81,283.32, 112,019.00 and 58,583.07

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Solution

The fourth proportional to 81,283.32, 112,019.00 and 58,583.07 is: 80,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,283.32 : 112,019.00 = 58,583.07 : x
  2. Step 2: Convert to fraction form
    81,283.32/112,019.00 = 58,583.07/x
  3. Step 3: Cross multiply
    81,283.32x = 112,019.00 × 58,583.07
  4. Step 4: Simplify right side
    81,283.32x = 6,562,416,504.69
  5. Step 5: Solve for x
    x = 6,562,416,504.69/81,283.32
  6. Step 6: Final answer
    x = 80,735.10

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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.