Home / 104,013.75-143,538.12-56,267.22

Finding the Fourth Proportional to 104,013.75, 143,538.12 and 56,267.22

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Solution

The fourth proportional to 104,013.75, 143,538.12 and 56,267.22 is: 77,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,013.75 : 143,538.12 = 56,267.22 : x
  2. Step 2: Convert to fraction form
    104,013.75/143,538.12 = 56,267.22/x
  3. Step 3: Cross multiply
    104,013.75x = 143,538.12 × 56,267.22
  4. Step 4: Simplify right side
    104,013.75x = 8,076,490,976.43
  5. Step 5: Solve for x
    x = 8,076,490,976.43/104,013.75
  6. Step 6: Final answer
    x = 77,648.30

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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.