Home / 69,923.59-96,495.21-39,709.54

Finding the Fourth Proportional to 69,923.59, 96,495.21 and 39,709.54

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Solution

The fourth proportional to 69,923.59, 96,495.21 and 39,709.54 is: 54,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,923.59 : 96,495.21 = 39,709.54 : x
  2. Step 2: Convert to fraction form
    69,923.59/96,495.21 = 39,709.54/x
  3. Step 3: Cross multiply
    69,923.59x = 96,495.21 × 39,709.54
  4. Step 4: Simplify right side
    69,923.59x = 3,831,779,918.83
  5. Step 5: Solve for x
    x = 3,831,779,918.83/69,923.59
  6. Step 6: Final answer
    x = 54,799.53

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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.