Home / 108,635.58-149,896.98-69,907.46

Finding the Fourth Proportional to 108,635.58, 149,896.98 and 69,907.46

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Solution

The fourth proportional to 108,635.58, 149,896.98 and 69,907.46 is: 96,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,635.58 : 149,896.98 = 69,907.46 : x
  2. Step 2: Convert to fraction form
    108,635.58/149,896.98 = 69,907.46/x
  3. Step 3: Cross multiply
    108,635.58x = 149,896.98 × 69,907.46
  4. Step 4: Simplify right side
    108,635.58x = 10,478,916,383.99
  5. Step 5: Solve for x
    x = 10,478,916,383.99/108,635.58
  6. Step 6: Final answer
    x = 96,459.34

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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.