Home / 66,511.14-91,801.08-38,233.23

Finding the Fourth Proportional to 66,511.14, 91,801.08 and 38,233.23

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Solution

The fourth proportional to 66,511.14, 91,801.08 and 38,233.23 is: 52,770.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511.14 : 91,801.08 = 38,233.23 : x
  2. Step 2: Convert to fraction form
    66,511.14/91,801.08 = 38,233.23/x
  3. Step 3: Cross multiply
    66,511.14x = 91,801.08 × 38,233.23
  4. Step 4: Simplify right side
    66,511.14x = 3,509,851,805.89
  5. Step 5: Solve for x
    x = 3,509,851,805.89/66,511.14
  6. Step 6: Final answer
    x = 52,770.89

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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.