Home / 97,739.60-146,543.70-38,544.80

Finding the Fourth Proportional to 97,739.60, 146,543.70 and 38,544.80

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Solution

The fourth proportional to 97,739.60, 146,543.70 and 38,544.80 is: 57,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,739.60 : 146,543.70 = 38,544.80 : x
  2. Step 2: Convert to fraction form
    97,739.60/146,543.70 = 38,544.80/x
  3. Step 3: Cross multiply
    97,739.60x = 146,543.70 × 38,544.80
  4. Step 4: Simplify right side
    97,739.60x = 5,648,497,607.76
  5. Step 5: Solve for x
    x = 5,648,497,607.76/97,739.60
  6. Step 6: Final answer
    x = 57,791.29

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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.