Home / 123,684.24-170,688.07-69,968.18

Finding the Fourth Proportional to 123,684.24, 170,688.07 and 69,968.18

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Solution

The fourth proportional to 123,684.24, 170,688.07 and 69,968.18 is: 96,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,684.24 : 170,688.07 = 69,968.18 : x
  2. Step 2: Convert to fraction form
    123,684.24/170,688.07 = 69,968.18/x
  3. Step 3: Cross multiply
    123,684.24x = 170,688.07 × 69,968.18
  4. Step 4: Simplify right side
    123,684.24x = 11,942,733,857.41
  5. Step 5: Solve for x
    x = 11,942,733,857.41/123,684.24
  6. Step 6: Final answer
    x = 96,558.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.