Home / 48,437.46-72,657.09-13,378.01

Finding the Fourth Proportional to 48,437.46, 72,657.09 and 13,378.01

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Solution

The fourth proportional to 48,437.46, 72,657.09 and 13,378.01 is: 20,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,437.46 : 72,657.09 = 13,378.01 : x
  2. Step 2: Convert to fraction form
    48,437.46/72,657.09 = 13,378.01/x
  3. Step 3: Cross multiply
    48,437.46x = 72,657.09 × 13,378.01
  4. Step 4: Simplify right side
    48,437.46x = 972,006,913.31
  5. Step 5: Solve for x
    x = 972,006,913.31/48,437.46
  6. Step 6: Final answer
    x = 20,067.26

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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.