Home / 108,670.21-149,962.59-60,922.53

Finding the Fourth Proportional to 108,670.21, 149,962.59 and 60,922.53

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Solution

The fourth proportional to 108,670.21, 149,962.59 and 60,922.53 is: 84,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,670.21 : 149,962.59 = 60,922.53 : x
  2. Step 2: Convert to fraction form
    108,670.21/149,962.59 = 60,922.53/x
  3. Step 3: Cross multiply
    108,670.21x = 149,962.59 × 60,922.53
  4. Step 4: Simplify right side
    108,670.21x = 9,136,100,388.15
  5. Step 5: Solve for x
    x = 9,136,100,388.15/108,670.21
  6. Step 6: Final answer
    x = 84,071.80

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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.