Home / 76,470.48-105,525.86-42,481.26

Finding the Fourth Proportional to 76,470.48, 105,525.86 and 42,481.26

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Solution

The fourth proportional to 76,470.48, 105,525.86 and 42,481.26 is: 58,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,470.48 : 105,525.86 = 42,481.26 : x
  2. Step 2: Convert to fraction form
    76,470.48/105,525.86 = 42,481.26/x
  3. Step 3: Cross multiply
    76,470.48x = 105,525.86 × 42,481.26
  4. Step 4: Simplify right side
    76,470.48x = 4,482,871,282.98
  5. Step 5: Solve for x
    x = 4,482,871,282.98/76,470.48
  6. Step 6: Final answer
    x = 58,622.25

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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.