Home / 86,102.03-129,083.38-26,907.23

Finding the Fourth Proportional to 86,102.03, 129,083.38 and 26,907.23

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Solution

The fourth proportional to 86,102.03, 129,083.38 and 26,907.23 is: 40,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,102.03 : 129,083.38 = 26,907.23 : x
  2. Step 2: Convert to fraction form
    86,102.03/129,083.38 = 26,907.23/x
  3. Step 3: Cross multiply
    86,102.03x = 129,083.38 × 26,907.23
  4. Step 4: Simplify right side
    86,102.03x = 3,473,276,194.84
  5. Step 5: Solve for x
    x = 3,473,276,194.84/86,102.03
  6. Step 6: Final answer
    x = 40,339.07

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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.