Home / 85,029.19-127,539.23-25,860.25

Finding the Fourth Proportional to 85,029.19, 127,539.23 and 25,860.25

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Solution

The fourth proportional to 85,029.19, 127,539.23 and 25,860.25 is: 38,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,029.19 : 127,539.23 = 25,860.25 : x
  2. Step 2: Convert to fraction form
    85,029.19/127,539.23 = 25,860.25/x
  3. Step 3: Cross multiply
    85,029.19x = 127,539.23 × 25,860.25
  4. Step 4: Simplify right side
    85,029.19x = 3,298,196,441.57
  5. Step 5: Solve for x
    x = 3,298,196,441.57/85,029.19
  6. Step 6: Final answer
    x = 38,788.99

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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.