Home / 105,764.31-145,958.76-60,442.74

Finding the Fourth Proportional to 105,764.31, 145,958.76 and 60,442.74

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Solution

The fourth proportional to 105,764.31, 145,958.76 and 60,442.74 is: 83,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,764.31 : 145,958.76 = 60,442.74 : x
  2. Step 2: Convert to fraction form
    105,764.31/145,958.76 = 60,442.74/x
  3. Step 3: Cross multiply
    105,764.31x = 145,958.76 × 60,442.74
  4. Step 4: Simplify right side
    105,764.31x = 8,822,147,381.40
  5. Step 5: Solve for x
    x = 8,822,147,381.40/105,764.31
  6. Step 6: Final answer
    x = 83,413.27

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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.