Home / 66,701.58-92,071.35-38,418.54

Finding the Fourth Proportional to 66,701.58, 92,071.35 and 38,418.54

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Solution

The fourth proportional to 66,701.58, 92,071.35 and 38,418.54 is: 53,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,701.58 : 92,071.35 = 38,418.54 : x
  2. Step 2: Convert to fraction form
    66,701.58/92,071.35 = 38,418.54/x
  3. Step 3: Cross multiply
    66,701.58x = 92,071.35 × 38,418.54
  4. Step 4: Simplify right side
    66,701.58x = 3,537,246,842.83
  5. Step 5: Solve for x
    x = 3,537,246,842.83/66,701.58
  6. Step 6: Final answer
    x = 53,030.93

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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.