Home / 69,365.70-95,725-39,152.30

Finding the Fourth Proportional to 69,365.70, 95,725 and 39,152.30

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Solution

The fourth proportional to 69,365.70, 95,725 and 39,152.30 is: 54,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,365.70 : 95,725 = 39,152.30 : x
  2. Step 2: Convert to fraction form
    69,365.70/95,725 = 39,152.30/x
  3. Step 3: Cross multiply
    69,365.70x = 95,725 × 39,152.30
  4. Step 4: Simplify right side
    69,365.70x = 3,747,853,917.50
  5. Step 5: Solve for x
    x = 3,747,853,917.50/69,365.70
  6. Step 6: Final answer
    x = 54,030.36

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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.