Home / 45,778.01-68,667.70-14,187.71

Finding the Fourth Proportional to 45,778.01, 68,667.70 and 14,187.71

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Solution

The fourth proportional to 45,778.01, 68,667.70 and 14,187.71 is: 21,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,778.01 : 68,667.70 = 14,187.71 : x
  2. Step 2: Convert to fraction form
    45,778.01/68,667.70 = 14,187.71/x
  3. Step 3: Cross multiply
    45,778.01x = 68,667.70 × 14,187.71
  4. Step 4: Simplify right side
    45,778.01x = 974,237,190.51
  5. Step 5: Solve for x
    x = 974,237,190.51/45,778.01
  6. Step 6: Final answer
    x = 21,281.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.