Home / 74,192.09-111,291.98-21,605.67

Finding the Fourth Proportional to 74,192.09, 111,291.98 and 21,605.67

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Solution

The fourth proportional to 74,192.09, 111,291.98 and 21,605.67 is: 32,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192.09 : 111,291.98 = 21,605.67 : x
  2. Step 2: Convert to fraction form
    74,192.09/111,291.98 = 21,605.67/x
  3. Step 3: Cross multiply
    74,192.09x = 111,291.98 × 21,605.67
  4. Step 4: Simplify right side
    74,192.09x = 2,404,537,685.50
  5. Step 5: Solve for x
    x = 2,404,537,685.50/74,192.09
  6. Step 6: Final answer
    x = 32,409.63

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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.