Home / 104,027.12-143,557.36-56,280.48

Finding the Fourth Proportional to 104,027.12, 143,557.36 and 56,280.48

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Solution

The fourth proportional to 104,027.12, 143,557.36 and 56,280.48 is: 77,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,027.12 : 143,557.36 = 56,280.48 : x
  2. Step 2: Convert to fraction form
    104,027.12/143,557.36 = 56,280.48/x
  3. Step 3: Cross multiply
    104,027.12x = 143,557.36 × 56,280.48
  4. Step 4: Simplify right side
    104,027.12x = 8,079,477,128.33
  5. Step 5: Solve for x
    x = 8,079,477,128.33/104,027.12
  6. Step 6: Final answer
    x = 77,667.03

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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.