Home / 62,851.29-94,256.67-20,721.57

Finding the Fourth Proportional to 62,851.29, 94,256.67 and 20,721.57

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Solution

The fourth proportional to 62,851.29, 94,256.67 and 20,721.57 is: 31,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,851.29 : 94,256.67 = 20,721.57 : x
  2. Step 2: Convert to fraction form
    62,851.29/94,256.67 = 20,721.57/x
  3. Step 3: Cross multiply
    62,851.29x = 94,256.67 × 20,721.57
  4. Step 4: Simplify right side
    62,851.29x = 1,953,146,185.37
  5. Step 5: Solve for x
    x = 1,953,146,185.37/62,851.29
  6. Step 6: Final answer
    x = 31,075.67

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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.