Home / 108,020.12-149,074.96-60,274.48

Finding the Fourth Proportional to 108,020.12, 149,074.96 and 60,274.48

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Solution

The fourth proportional to 108,020.12, 149,074.96 and 60,274.48 is: 83,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,020.12 : 149,074.96 = 60,274.48 : x
  2. Step 2: Convert to fraction form
    108,020.12/149,074.96 = 60,274.48/x
  3. Step 3: Cross multiply
    108,020.12x = 149,074.96 × 60,274.48
  4. Step 4: Simplify right side
    108,020.12x = 8,985,415,695.02
  5. Step 5: Solve for x
    x = 8,985,415,695.02/108,020.12
  6. Step 6: Final answer
    x = 83,182.80

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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.