Home / 65,071.08-97,684.26-38,788.20

Finding the Fourth Proportional to 65,071.08, 97,684.26 and 38,788.20

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Solution

The fourth proportional to 65,071.08, 97,684.26 and 38,788.20 is: 58,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,071.08 : 97,684.26 = 38,788.20 : x
  2. Step 2: Convert to fraction form
    65,071.08/97,684.26 = 38,788.20/x
  3. Step 3: Cross multiply
    65,071.08x = 97,684.26 × 38,788.20
  4. Step 4: Simplify right side
    65,071.08x = 3,788,996,613.73
  5. Step 5: Solve for x
    x = 3,788,996,613.73/65,071.08
  6. Step 6: Final answer
    x = 58,228.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.