Home / 69,348.01-95,699.32-38,721.58

Finding the Fourth Proportional to 69,348.01, 95,699.32 and 38,721.58

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Solution

The fourth proportional to 69,348.01, 95,699.32 and 38,721.58 is: 53,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,348.01 : 95,699.32 = 38,721.58 : x
  2. Step 2: Convert to fraction form
    69,348.01/95,699.32 = 38,721.58/x
  3. Step 3: Cross multiply
    69,348.01x = 95,699.32 × 38,721.58
  4. Step 4: Simplify right side
    69,348.01x = 3,705,628,875.33
  5. Step 5: Solve for x
    x = 3,705,628,875.33/69,348.01
  6. Step 6: Final answer
    x = 53,435.26

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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.