Home / 48,090.17-72,148.57-20,023.43

Finding the Fourth Proportional to 48,090.17, 72,148.57 and 20,023.43

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Solution

The fourth proportional to 48,090.17, 72,148.57 and 20,023.43 is: 30,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,090.17 : 72,148.57 = 20,023.43 : x
  2. Step 2: Convert to fraction form
    48,090.17/72,148.57 = 20,023.43/x
  3. Step 3: Cross multiply
    48,090.17x = 72,148.57 × 20,023.43
  4. Step 4: Simplify right side
    48,090.17x = 1,444,661,430.19
  5. Step 5: Solve for x
    x = 1,444,661,430.19/48,090.17
  6. Step 6: Final answer
    x = 30,040.68

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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.