Home / 45,295.20-67,918.50-15,704.28

Finding the Fourth Proportional to 45,295.20, 67,918.50 and 15,704.28

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Solution

The fourth proportional to 45,295.20, 67,918.50 and 15,704.28 is: 23,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,295.20 : 67,918.50 = 15,704.28 : x
  2. Step 2: Convert to fraction form
    45,295.20/67,918.50 = 15,704.28/x
  3. Step 3: Cross multiply
    45,295.20x = 67,918.50 × 15,704.28
  4. Step 4: Simplify right side
    45,295.20x = 1,066,611,141.18
  5. Step 5: Solve for x
    x = 1,066,611,141.18/45,295.20
  6. Step 6: Final answer
    x = 23,547.99

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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.