Home / 103,997.03-143,515.37-56,250.27

Finding the Fourth Proportional to 103,997.03, 143,515.37 and 56,250.27

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Solution

The fourth proportional to 103,997.03, 143,515.37 and 56,250.27 is: 77,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,997.03 : 143,515.37 = 56,250.27 : x
  2. Step 2: Convert to fraction form
    103,997.03/143,515.37 = 56,250.27/x
  3. Step 3: Cross multiply
    103,997.03x = 143,515.37 × 56,250.27
  4. Step 4: Simplify right side
    103,997.03x = 8,072,778,030.40
  5. Step 5: Solve for x
    x = 8,072,778,030.40/103,997.03
  6. Step 6: Final answer
    x = 77,625.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.