Home / 62,806.16-94,222.22-20,688.81

Finding the Fourth Proportional to 62,806.16, 94,222.22 and 20,688.81

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Solution

The fourth proportional to 62,806.16, 94,222.22 and 20,688.81 is: 31,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,806.16 : 94,222.22 = 20,688.81 : x
  2. Step 2: Convert to fraction form
    62,806.16/94,222.22 = 20,688.81/x
  3. Step 3: Cross multiply
    62,806.16x = 94,222.22 × 20,688.81
  4. Step 4: Simplify right side
    62,806.16x = 1,949,345,817.99
  5. Step 5: Solve for x
    x = 1,949,345,817.99/62,806.16
  6. Step 6: Final answer
    x = 31,037.49

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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.