Home / 102,333.98-153,431.26-52,373.33

Finding the Fourth Proportional to 102,333.98, 153,431.26 and 52,373.33

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Solution

The fourth proportional to 102,333.98, 153,431.26 and 52,373.33 is: 78,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,333.98 : 153,431.26 = 52,373.33 : x
  2. Step 2: Convert to fraction form
    102,333.98/153,431.26 = 52,373.33/x
  3. Step 3: Cross multiply
    102,333.98x = 153,431.26 × 52,373.33
  4. Step 4: Simplify right side
    102,333.98x = 8,035,706,847.22
  5. Step 5: Solve for x
    x = 8,035,706,847.22/102,333.98
  6. Step 6: Final answer
    x = 78,524.32

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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.