Home / 69,088.24-103,632.36-19,168.34

Finding the Fourth Proportional to 69,088.24, 103,632.36 and 19,168.34

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Solution

The fourth proportional to 69,088.24, 103,632.36 and 19,168.34 is: 28,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.24 : 103,632.36 = 19,168.34 : x
  2. Step 2: Convert to fraction form
    69,088.24/103,632.36 = 19,168.34/x
  3. Step 3: Cross multiply
    69,088.24x = 103,632.36 × 19,168.34
  4. Step 4: Simplify right side
    69,088.24x = 1,986,460,215.64
  5. Step 5: Solve for x
    x = 1,986,460,215.64/69,088.24
  6. Step 6: Final answer
    x = 28,752.51

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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.