Home / 108,668.41-149,962.30-60,921.77

Finding the Fourth Proportional to 108,668.41, 149,962.30 and 60,921.77

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Solution

The fourth proportional to 108,668.41, 149,962.30 and 60,921.77 is: 84,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,668.41 : 149,962.30 = 60,921.77 : x
  2. Step 2: Convert to fraction form
    108,668.41/149,962.30 = 60,921.77/x
  3. Step 3: Cross multiply
    108,668.41x = 149,962.30 × 60,921.77
  4. Step 4: Simplify right side
    108,668.41x = 9,135,968,749.27
  5. Step 5: Solve for x
    x = 9,135,968,749.27/108,668.41
  6. Step 6: Final answer
    x = 84,071.98

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1.5x scale

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.