Home / 85,525.48-128,302.14-26,361.16

Finding the Fourth Proportional to 85,525.48, 128,302.14 and 26,361.16

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Solution

The fourth proportional to 85,525.48, 128,302.14 and 26,361.16 is: 39,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525.48 : 128,302.14 = 26,361.16 : x
  2. Step 2: Convert to fraction form
    85,525.48/128,302.14 = 26,361.16/x
  3. Step 3: Cross multiply
    85,525.48x = 128,302.14 × 26,361.16
  4. Step 4: Simplify right side
    85,525.48x = 3,382,193,240.88
  5. Step 5: Solve for x
    x = 3,382,193,240.88/85,525.48
  6. Step 6: Final answer
    x = 39,546.03

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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.