Home / 85,823.88-118,441.81-48,100.56

Finding the Fourth Proportional to 85,823.88, 118,441.81 and 48,100.56

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Solution

The fourth proportional to 85,823.88, 118,441.81 and 48,100.56 is: 66,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,823.88 : 118,441.81 = 48,100.56 : x
  2. Step 2: Convert to fraction form
    85,823.88/118,441.81 = 48,100.56/x
  3. Step 3: Cross multiply
    85,823.88x = 118,441.81 × 48,100.56
  4. Step 4: Simplify right side
    85,823.88x = 5,697,117,388.41
  5. Step 5: Solve for x
    x = 5,697,117,388.41/85,823.88
  6. Step 6: Final answer
    x = 66,381.49

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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.