Home / 48,437.43-72,657.06-13,378.02

Finding the Fourth Proportional to 48,437.43, 72,657.06 and 13,378.02

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Solution

The fourth proportional to 48,437.43, 72,657.06 and 13,378.02 is: 20,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,437.43 : 72,657.06 = 13,378.02 : x
  2. Step 2: Convert to fraction form
    48,437.43/72,657.06 = 13,378.02/x
  3. Step 3: Cross multiply
    48,437.43x = 72,657.06 × 13,378.02
  4. Step 4: Simplify right side
    48,437.43x = 972,007,601.82
  5. Step 5: Solve for x
    x = 972,007,601.82/48,437.43
  6. Step 6: Final answer
    x = 20,067.28

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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.