Home / 45,674.95-68,526.26-20,708.29

Finding the Fourth Proportional to 45,674.95, 68,526.26 and 20,708.29

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Solution

The fourth proportional to 45,674.95, 68,526.26 and 20,708.29 is: 31,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,674.95 : 68,526.26 = 20,708.29 : x
  2. Step 2: Convert to fraction form
    45,674.95/68,526.26 = 20,708.29/x
  3. Step 3: Cross multiply
    45,674.95x = 68,526.26 × 20,708.29
  4. Step 4: Simplify right side
    45,674.95x = 1,419,061,389.84
  5. Step 5: Solve for x
    x = 1,419,061,389.84/45,674.95
  6. Step 6: Final answer
    x = 31,068.70

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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.