Home / 66,763.09-92,129.52-38,083.51

Finding the Fourth Proportional to 66,763.09, 92,129.52 and 38,083.51

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Solution

The fourth proportional to 66,763.09, 92,129.52 and 38,083.51 is: 52,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,763.09 : 92,129.52 = 38,083.51 : x
  2. Step 2: Convert to fraction form
    66,763.09/92,129.52 = 38,083.51/x
  3. Step 3: Cross multiply
    66,763.09x = 92,129.52 × 38,083.51
  4. Step 4: Simplify right side
    66,763.09x = 3,508,615,496.22
  5. Step 5: Solve for x
    x = 3,508,615,496.22/66,763.09
  6. Step 6: Final answer
    x = 52,553.22

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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.