Home / 76,264.74-105,240.33-42,724.26

Finding the Fourth Proportional to 76,264.74, 105,240.33 and 42,724.26

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Solution

The fourth proportional to 76,264.74, 105,240.33 and 42,724.26 is: 58,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,264.74 : 105,240.33 = 42,724.26 : x
  2. Step 2: Convert to fraction form
    76,264.74/105,240.33 = 42,724.26/x
  3. Step 3: Cross multiply
    76,264.74x = 105,240.33 × 42,724.26
  4. Step 4: Simplify right side
    76,264.74x = 4,496,315,221.41
  5. Step 5: Solve for x
    x = 4,496,315,221.41/76,264.74
  6. Step 6: Final answer
    x = 58,956.67

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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.