Home / 66,104.01-91,135.42-52,537.35

Finding the Fourth Proportional to 66,104.01, 91,135.42 and 52,537.35

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Solution

The fourth proportional to 66,104.01, 91,135.42 and 52,537.35 is: 72,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,104.01 : 91,135.42 = 52,537.35 : x
  2. Step 2: Convert to fraction form
    66,104.01/91,135.42 = 52,537.35/x
  3. Step 3: Cross multiply
    66,104.01x = 91,135.42 × 52,537.35
  4. Step 4: Simplify right side
    66,104.01x = 4,788,013,326.59
  5. Step 5: Solve for x
    x = 4,788,013,326.59/66,104.01
  6. Step 6: Final answer
    x = 72,431.51

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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.