Home / 69,980.06-96,574.59-38,149.49

Finding the Fourth Proportional to 69,980.06, 96,574.59 and 38,149.49

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Solution

The fourth proportional to 69,980.06, 96,574.59 and 38,149.49 is: 52,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,980.06 : 96,574.59 = 38,149.49 : x
  2. Step 2: Convert to fraction form
    69,980.06/96,574.59 = 38,149.49/x
  3. Step 3: Cross multiply
    69,980.06x = 96,574.59 × 38,149.49
  4. Step 4: Simplify right side
    69,980.06x = 3,684,270,872.59
  5. Step 5: Solve for x
    x = 3,684,270,872.59/69,980.06
  6. Step 6: Final answer
    x = 52,647.44

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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.