Home / 123,027.84-169,777.64-69,330.11

Finding the Fourth Proportional to 123,027.84, 169,777.64 and 69,330.11

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Solution

The fourth proportional to 123,027.84, 169,777.64 and 69,330.11 is: 95,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,027.84 : 169,777.64 = 69,330.11 : x
  2. Step 2: Convert to fraction form
    123,027.84/169,777.64 = 69,330.11/x
  3. Step 3: Cross multiply
    123,027.84x = 169,777.64 × 69,330.11
  4. Step 4: Simplify right side
    123,027.84x = 11,770,701,261.20
  5. Step 5: Solve for x
    x = 11,770,701,261.20/123,027.84
  6. Step 6: Final answer
    x = 95,675.10

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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.