Home / 55,823.06-83,734.62-20,758.16

Finding the Fourth Proportional to 55,823.06, 83,734.62 and 20,758.16

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Solution

The fourth proportional to 55,823.06, 83,734.62 and 20,758.16 is: 31,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,823.06 : 83,734.62 = 20,758.16 : x
  2. Step 2: Convert to fraction form
    55,823.06/83,734.62 = 20,758.16/x
  3. Step 3: Cross multiply
    55,823.06x = 83,734.62 × 20,758.16
  4. Step 4: Simplify right side
    55,823.06x = 1,738,176,639.50
  5. Step 5: Solve for x
    x = 1,738,176,639.50/55,823.06
  6. Step 6: Final answer
    x = 31,137.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.