Home / 104,027.62-143,558.05-56,280.98

Finding the Fourth Proportional to 104,027.62, 143,558.05 and 56,280.98

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Solution

The fourth proportional to 104,027.62, 143,558.05 and 56,280.98 is: 77,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,027.62 : 143,558.05 = 56,280.98 : x
  2. Step 2: Convert to fraction form
    104,027.62/143,558.05 = 56,280.98/x
  3. Step 3: Cross multiply
    104,027.62x = 143,558.05 × 56,280.98
  4. Step 4: Simplify right side
    104,027.62x = 8,079,587,740.89
  5. Step 5: Solve for x
    x = 8,079,587,740.89/104,027.62
  6. Step 6: Final answer
    x = 77,667.72

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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.