Home / 65,078.40-97,617.60-25,613.94

Finding the Fourth Proportional to 65,078.40, 97,617.60 and 25,613.94

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Solution

The fourth proportional to 65,078.40, 97,617.60 and 25,613.94 is: 38,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,078.40 : 97,617.60 = 25,613.94 : x
  2. Step 2: Convert to fraction form
    65,078.40/97,617.60 = 25,613.94/x
  3. Step 3: Cross multiply
    65,078.40x = 97,617.60 × 25,613.94
  4. Step 4: Simplify right side
    65,078.40x = 2,500,371,349.34
  5. Step 5: Solve for x
    x = 2,500,371,349.34/65,078.40
  6. Step 6: Final answer
    x = 38,420.91

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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.