Home / 71,698.16-98,951.88-43,403.60

Finding the Fourth Proportional to 71,698.16, 98,951.88 and 43,403.60

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Solution

The fourth proportional to 71,698.16, 98,951.88 and 43,403.60 is: 59,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,698.16 : 98,951.88 = 43,403.60 : x
  2. Step 2: Convert to fraction form
    71,698.16/98,951.88 = 43,403.60/x
  3. Step 3: Cross multiply
    71,698.16x = 98,951.88 × 43,403.60
  4. Step 4: Simplify right side
    71,698.16x = 4,294,867,818.77
  5. Step 5: Solve for x
    x = 4,294,867,818.77/71,698.16
  6. Step 6: Final answer
    x = 59,902.06

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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.