Home / 85,215.20-127,822.26-26,050.64

Finding the Fourth Proportional to 85,215.20, 127,822.26 and 26,050.64

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Solution

The fourth proportional to 85,215.20, 127,822.26 and 26,050.64 is: 39,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215.20 : 127,822.26 = 26,050.64 : x
  2. Step 2: Convert to fraction form
    85,215.20/127,822.26 = 26,050.64/x
  3. Step 3: Cross multiply
    85,215.20x = 127,822.26 × 26,050.64
  4. Step 4: Simplify right side
    85,215.20x = 3,329,851,679.25
  5. Step 5: Solve for x
    x = 3,329,851,679.25/85,215.20
  6. Step 6: Final answer
    x = 39,075.79

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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.