Home / 123,024.95-169,774.43-66,436.32

Finding the Fourth Proportional to 123,024.95, 169,774.43 and 66,436.32

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Solution

The fourth proportional to 123,024.95, 169,774.43 and 66,436.32 is: 91,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,024.95 : 169,774.43 = 66,436.32 : x
  2. Step 2: Convert to fraction form
    123,024.95/169,774.43 = 66,436.32/x
  3. Step 3: Cross multiply
    123,024.95x = 169,774.43 × 66,436.32
  4. Step 4: Simplify right side
    123,024.95x = 11,279,188,027.12
  5. Step 5: Solve for x
    x = 11,279,188,027.12/123,024.95
  6. Step 6: Final answer
    x = 91,682.12

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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.