Home / 85,203.21-127,804.82-26,038.38

Finding the Fourth Proportional to 85,203.21, 127,804.82 and 26,038.38

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Solution

The fourth proportional to 85,203.21, 127,804.82 and 26,038.38 is: 39,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,203.21 : 127,804.82 = 26,038.38 : x
  2. Step 2: Convert to fraction form
    85,203.21/127,804.82 = 26,038.38/x
  3. Step 3: Cross multiply
    85,203.21x = 127,804.82 × 26,038.38
  4. Step 4: Simplify right side
    85,203.21x = 3,327,830,468.99
  5. Step 5: Solve for x
    x = 3,327,830,468.99/85,203.21
  6. Step 6: Final answer
    x = 39,057.57

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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.