Home / 45,063.54-67,606.65-18,762.84

Finding the Fourth Proportional to 45,063.54, 67,606.65 and 18,762.84

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Solution

The fourth proportional to 45,063.54, 67,606.65 and 18,762.84 is: 28,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,063.54 : 67,606.65 = 18,762.84 : x
  2. Step 2: Convert to fraction form
    45,063.54/67,606.65 = 18,762.84/x
  3. Step 3: Cross multiply
    45,063.54x = 67,606.65 × 18,762.84
  4. Step 4: Simplify right side
    45,063.54x = 1,268,492,756.89
  5. Step 5: Solve for x
    x = 1,268,492,756.89/45,063.54
  6. Step 6: Final answer
    x = 28,148.98

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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.