Home / 69,088.49-103,632.73-19,168.59

Finding the Fourth Proportional to 69,088.49, 103,632.73 and 19,168.59

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Solution

The fourth proportional to 69,088.49, 103,632.73 and 19,168.59 is: 28,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.49 : 103,632.73 = 19,168.59 : x
  2. Step 2: Convert to fraction form
    69,088.49/103,632.73 = 19,168.59/x
  3. Step 3: Cross multiply
    69,088.49x = 103,632.73 × 19,168.59
  4. Step 4: Simplify right side
    69,088.49x = 1,986,493,264.03
  5. Step 5: Solve for x
    x = 1,986,493,264.03/69,088.49
  6. Step 6: Final answer
    x = 28,752.89

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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.