Home / 85,266.08-127,899-26,101.04

Finding the Fourth Proportional to 85,266.08, 127,899 and 26,101.04

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Solution

The fourth proportional to 85,266.08, 127,899 and 26,101.04 is: 39,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,266.08 : 127,899 = 26,101.04 : x
  2. Step 2: Convert to fraction form
    85,266.08/127,899 = 26,101.04/x
  3. Step 3: Cross multiply
    85,266.08x = 127,899 × 26,101.04
  4. Step 4: Simplify right side
    85,266.08x = 3,338,296,914.96
  5. Step 5: Solve for x
    x = 3,338,296,914.96/85,266.08
  6. Step 6: Final answer
    x = 39,151.52

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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.