Home / 48,447.54-72,671.10-13,386.96

Finding the Fourth Proportional to 48,447.54, 72,671.10 and 13,386.96

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Solution

The fourth proportional to 48,447.54, 72,671.10 and 13,386.96 is: 20,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447.54 : 72,671.10 = 13,386.96 : x
  2. Step 2: Convert to fraction form
    48,447.54/72,671.10 = 13,386.96/x
  3. Step 3: Cross multiply
    48,447.54x = 72,671.10 × 13,386.96
  4. Step 4: Simplify right side
    48,447.54x = 972,845,108.86
  5. Step 5: Solve for x
    x = 972,845,108.86/48,447.54
  6. Step 6: Final answer
    x = 20,080.38

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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.