Home / 61,192.03-91,770.40-16,820.23

Finding the Fourth Proportional to 61,192.03, 91,770.40 and 16,820.23

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Solution

The fourth proportional to 61,192.03, 91,770.40 and 16,820.23 is: 25,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192.03 : 91,770.40 = 16,820.23 : x
  2. Step 2: Convert to fraction form
    61,192.03/91,770.40 = 16,820.23/x
  3. Step 3: Cross multiply
    61,192.03x = 91,770.40 × 16,820.23
  4. Step 4: Simplify right side
    61,192.03x = 1,543,599,235.19
  5. Step 5: Solve for x
    x = 1,543,599,235.19/61,192.03
  6. Step 6: Final answer
    x = 25,225.49

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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.