Home / 45,623.76-68,435.73-14,458.92

Finding the Fourth Proportional to 45,623.76, 68,435.73 and 14,458.92

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Solution

The fourth proportional to 45,623.76, 68,435.73 and 14,458.92 is: 21,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,623.76 : 68,435.73 = 14,458.92 : x
  2. Step 2: Convert to fraction form
    45,623.76/68,435.73 = 14,458.92/x
  3. Step 3: Cross multiply
    45,623.76x = 68,435.73 × 14,458.92
  4. Step 4: Simplify right side
    45,623.76x = 989,506,745.21
  5. Step 5: Solve for x
    x = 989,506,745.21/45,623.76
  6. Step 6: Final answer
    x = 21,688.41

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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.