Home / 45,412.90-68,099.91-14,250.58

Finding the Fourth Proportional to 45,412.90, 68,099.91 and 14,250.58

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Solution

The fourth proportional to 45,412.90, 68,099.91 and 14,250.58 is: 21,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,412.90 : 68,099.91 = 14,250.58 : x
  2. Step 2: Convert to fraction form
    45,412.90/68,099.91 = 14,250.58/x
  3. Step 3: Cross multiply
    45,412.90x = 68,099.91 × 14,250.58
  4. Step 4: Simplify right side
    45,412.90x = 970,463,215.45
  5. Step 5: Solve for x
    x = 970,463,215.45/45,412.90
  6. Step 6: Final answer
    x = 21,369.77

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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.