Home / 60,785.21-83,817.46-39,525.05

Finding the Fourth Proportional to 60,785.21, 83,817.46 and 39,525.05

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Solution

The fourth proportional to 60,785.21, 83,817.46 and 39,525.05 is: 54,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,785.21 : 83,817.46 = 39,525.05 : x
  2. Step 2: Convert to fraction form
    60,785.21/83,817.46 = 39,525.05/x
  3. Step 3: Cross multiply
    60,785.21x = 83,817.46 × 39,525.05
  4. Step 4: Simplify right side
    60,785.21x = 3,312,889,297.37
  5. Step 5: Solve for x
    x = 3,312,889,297.37/60,785.21
  6. Step 6: Final answer
    x = 54,501.57

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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.