Home / 76,278.36-105,242.38-44,010.42

Finding the Fourth Proportional to 76,278.36, 105,242.38 and 44,010.42

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Solution

The fourth proportional to 76,278.36, 105,242.38 and 44,010.42 is: 60,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,278.36 : 105,242.38 = 44,010.42 : x
  2. Step 2: Convert to fraction form
    76,278.36/105,242.38 = 44,010.42/x
  3. Step 3: Cross multiply
    76,278.36x = 105,242.38 × 44,010.42
  4. Step 4: Simplify right side
    76,278.36x = 4,631,761,345.60
  5. Step 5: Solve for x
    x = 4,631,761,345.60/76,278.36
  6. Step 6: Final answer
    x = 60,721.83

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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.