Home / 86,075.91-129,121.31-23,746.41

Finding the Fourth Proportional to 86,075.91, 129,121.31 and 23,746.41

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Solution

The fourth proportional to 86,075.91, 129,121.31 and 23,746.41 is: 35,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075.91 : 129,121.31 = 23,746.41 : x
  2. Step 2: Convert to fraction form
    86,075.91/129,121.31 = 23,746.41/x
  3. Step 3: Cross multiply
    86,075.91x = 129,121.31 × 23,746.41
  4. Step 4: Simplify right side
    86,075.91x = 3,066,167,448.27
  5. Step 5: Solve for x
    x = 3,066,167,448.27/86,075.91
  6. Step 6: Final answer
    x = 35,621.67

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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.