Home / 69,749.58-96,255.23-38,705.46

Finding the Fourth Proportional to 69,749.58, 96,255.23 and 38,705.46

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Solution

The fourth proportional to 69,749.58, 96,255.23 and 38,705.46 is: 53,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,749.58 : 96,255.23 = 38,705.46 : x
  2. Step 2: Convert to fraction form
    69,749.58/96,255.23 = 38,705.46/x
  3. Step 3: Cross multiply
    69,749.58x = 96,255.23 × 38,705.46
  4. Step 4: Simplify right side
    69,749.58x = 3,725,602,580.55
  5. Step 5: Solve for x
    x = 3,725,602,580.55/69,749.58
  6. Step 6: Final answer
    x = 53,413.98

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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.