Home / 123,033.09-169,785.63-66,444.48

Finding the Fourth Proportional to 123,033.09, 169,785.63 and 66,444.48

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Solution

The fourth proportional to 123,033.09, 169,785.63 and 66,444.48 is: 91,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,033.09 : 169,785.63 = 66,444.48 : x
  2. Step 2: Convert to fraction form
    123,033.09/169,785.63 = 66,444.48/x
  3. Step 3: Cross multiply
    123,033.09x = 169,785.63 × 66,444.48
  4. Step 4: Simplify right side
    123,033.09x = 11,281,317,896.82
  5. Step 5: Solve for x
    x = 11,281,317,896.82/123,033.09
  6. Step 6: Final answer
    x = 91,693.36

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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.