Home / 108,021.76-149,069.44-60,275.04

Finding the Fourth Proportional to 108,021.76, 149,069.44 and 60,275.04

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Solution

The fourth proportional to 108,021.76, 149,069.44 and 60,275.04 is: 83,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,021.76 : 149,069.44 = 60,275.04 : x
  2. Step 2: Convert to fraction form
    108,021.76/149,069.44 = 60,275.04/x
  3. Step 3: Cross multiply
    108,021.76x = 149,069.44 × 60,275.04
  4. Step 4: Simplify right side
    108,021.76x = 8,985,166,458.78
  5. Step 5: Solve for x
    x = 8,985,166,458.78/108,021.76
  6. Step 6: Final answer
    x = 83,179.23

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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.