Home / 76,734.26-105,945.48-48,065.76

Finding the Fourth Proportional to 76,734.26, 105,945.48 and 48,065.76

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Solution

The fourth proportional to 76,734.26, 105,945.48 and 48,065.76 is: 66,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,734.26 : 105,945.48 = 48,065.76 : x
  2. Step 2: Convert to fraction form
    76,734.26/105,945.48 = 48,065.76/x
  3. Step 3: Cross multiply
    76,734.26x = 105,945.48 × 48,065.76
  4. Step 4: Simplify right side
    76,734.26x = 5,092,350,014.76
  5. Step 5: Solve for x
    x = 5,092,350,014.76/76,734.26
  6. Step 6: Final answer
    x = 66,363.45

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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.