Home / 62,270.20-93,405.30-20,717.20

Finding the Fourth Proportional to 62,270.20, 93,405.30 and 20,717.20

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Solution

The fourth proportional to 62,270.20, 93,405.30 and 20,717.20 is: 31,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,270.20 : 93,405.30 = 20,717.20 : x
  2. Step 2: Convert to fraction form
    62,270.20/93,405.30 = 20,717.20/x
  3. Step 3: Cross multiply
    62,270.20x = 93,405.30 × 20,717.20
  4. Step 4: Simplify right side
    62,270.20x = 1,935,096,281.16
  5. Step 5: Solve for x
    x = 1,935,096,281.16/62,270.20
  6. Step 6: Final answer
    x = 31,075.80

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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.