Home / 45,550.64-68,325.93-14,385.89

Finding the Fourth Proportional to 45,550.64, 68,325.93 and 14,385.89

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Solution

The fourth proportional to 45,550.64, 68,325.93 and 14,385.89 is: 21,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.64 : 68,325.93 = 14,385.89 : x
  2. Step 2: Convert to fraction form
    45,550.64/68,325.93 = 14,385.89/x
  3. Step 3: Cross multiply
    45,550.64x = 68,325.93 × 14,385.89
  4. Step 4: Simplify right side
    45,550.64x = 982,929,313.13
  5. Step 5: Solve for x
    x = 982,929,313.13/45,550.64
  6. Step 6: Final answer
    x = 21,578.83

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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.