Home / 48,301.40-72,365.70-29,811.80

Finding the Fourth Proportional to 48,301.40, 72,365.70 and 29,811.80

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Solution

The fourth proportional to 48,301.40, 72,365.70 and 29,811.80 is: 44,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,301.40 : 72,365.70 = 29,811.80 : x
  2. Step 2: Convert to fraction form
    48,301.40/72,365.70 = 29,811.80/x
  3. Step 3: Cross multiply
    48,301.40x = 72,365.70 × 29,811.80
  4. Step 4: Simplify right side
    48,301.40x = 2,157,351,775.26
  5. Step 5: Solve for x
    x = 2,157,351,775.26/48,301.40
  6. Step 6: Final answer
    x = 44,664.37

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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.