Home / 86,075.16-129,120.18-23,745.66

Finding the Fourth Proportional to 86,075.16, 129,120.18 and 23,745.66

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Solution

The fourth proportional to 86,075.16, 129,120.18 and 23,745.66 is: 35,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075.16 : 129,120.18 = 23,745.66 : x
  2. Step 2: Convert to fraction form
    86,075.16/129,120.18 = 23,745.66/x
  3. Step 3: Cross multiply
    86,075.16x = 129,120.18 × 23,745.66
  4. Step 4: Simplify right side
    86,075.16x = 3,066,043,320.17
  5. Step 5: Solve for x
    x = 3,066,043,320.17/86,075.16
  6. Step 6: Final answer
    x = 35,620.54

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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.