Home / 85,852.80-128,777.17-23,523.30

Finding the Fourth Proportional to 85,852.80, 128,777.17 and 23,523.30

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Solution

The fourth proportional to 85,852.80, 128,777.17 and 23,523.30 is: 35,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,852.80 : 128,777.17 = 23,523.30 : x
  2. Step 2: Convert to fraction form
    85,852.80/128,777.17 = 23,523.30/x
  3. Step 3: Cross multiply
    85,852.80x = 128,777.17 × 23,523.30
  4. Step 4: Simplify right side
    85,852.80x = 3,029,264,003.06
  5. Step 5: Solve for x
    x = 3,029,264,003.06/85,852.80
  6. Step 6: Final answer
    x = 35,284.39

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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.