Home / 71,466.90-98,617.86-39,635.70

Finding the Fourth Proportional to 71,466.90, 98,617.86 and 39,635.70

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Solution

The fourth proportional to 71,466.90, 98,617.86 and 39,635.70 is: 54,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,466.90 : 98,617.86 = 39,635.70 : x
  2. Step 2: Convert to fraction form
    71,466.90/98,617.86 = 39,635.70/x
  3. Step 3: Cross multiply
    71,466.90x = 98,617.86 × 39,635.70
  4. Step 4: Simplify right side
    71,466.90x = 3,908,787,913.60
  5. Step 5: Solve for x
    x = 3,908,787,913.60/71,466.90
  6. Step 6: Final answer
    x = 54,693.68

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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.