Home / 123,034.24-169,787.28-66,445.63

Finding the Fourth Proportional to 123,034.24, 169,787.28 and 66,445.63

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Solution

The fourth proportional to 123,034.24, 169,787.28 and 66,445.63 is: 91,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,034.24 : 169,787.28 = 66,445.63 : x
  2. Step 2: Convert to fraction form
    123,034.24/169,787.28 = 66,445.63/x
  3. Step 3: Cross multiply
    123,034.24x = 169,787.28 × 66,445.63
  4. Step 4: Simplify right side
    123,034.24x = 11,281,622,785.59
  5. Step 5: Solve for x
    x = 11,281,622,785.59/123,034.24
  6. Step 6: Final answer
    x = 91,694.98

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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.