Home / 45,707.70-68,561.55-40,896.30

Finding the Fourth Proportional to 45,707.70, 68,561.55 and 40,896.30

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Solution

The fourth proportional to 45,707.70, 68,561.55 and 40,896.30 is: 61,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,707.70 : 68,561.55 = 40,896.30 : x
  2. Step 2: Convert to fraction form
    45,707.70/68,561.55 = 40,896.30/x
  3. Step 3: Cross multiply
    45,707.70x = 68,561.55 × 40,896.30
  4. Step 4: Simplify right side
    45,707.70x = 2,803,913,717.27
  5. Step 5: Solve for x
    x = 2,803,913,717.27/45,707.70
  6. Step 6: Final answer
    x = 61,344.45

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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.