Home / 104,454.80-144,147.72-56,708.12

Finding the Fourth Proportional to 104,454.80, 144,147.72 and 56,708.12

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Solution

The fourth proportional to 104,454.80, 144,147.72 and 56,708.12 is: 78,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,454.80 : 144,147.72 = 56,708.12 : x
  2. Step 2: Convert to fraction form
    104,454.80/144,147.72 = 56,708.12/x
  3. Step 3: Cross multiply
    104,454.80x = 144,147.72 × 56,708.12
  4. Step 4: Simplify right side
    104,454.80x = 8,174,346,203.49
  5. Step 5: Solve for x
    x = 8,174,346,203.49/104,454.80
  6. Step 6: Final answer
    x = 78,257.26

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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.