Home / 97,479.09-146,272.70-47,559.60

Finding the Fourth Proportional to 97,479.09, 146,272.70 and 47,559.60

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Solution

The fourth proportional to 97,479.09, 146,272.70 and 47,559.60 is: 71,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,479.09 : 146,272.70 = 47,559.60 : x
  2. Step 2: Convert to fraction form
    97,479.09/146,272.70 = 47,559.60/x
  3. Step 3: Cross multiply
    97,479.09x = 146,272.70 × 47,559.60
  4. Step 4: Simplify right side
    97,479.09x = 6,956,671,102.92
  5. Step 5: Solve for x
    x = 6,956,671,102.92/97,479.09
  6. Step 6: Final answer
    x = 71,365.78

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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.