Home / 123,087.02-169,859.58-66,498.26

Finding the Fourth Proportional to 123,087.02, 169,859.58 and 66,498.26

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Solution

The fourth proportional to 123,087.02, 169,859.58 and 66,498.26 is: 91,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,087.02 : 169,859.58 = 66,498.26 : x
  2. Step 2: Convert to fraction form
    123,087.02/169,859.58 = 66,498.26/x
  3. Step 3: Cross multiply
    123,087.02x = 169,859.58 × 66,498.26
  4. Step 4: Simplify right side
    123,087.02x = 11,295,366,514.33
  5. Step 5: Solve for x
    x = 11,295,366,514.33/123,087.02
  6. Step 6: Final answer
    x = 91,767.32

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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.