Home / 77,844.74-107,405.96-47,619.02

Finding the Fourth Proportional to 77,844.74, 107,405.96 and 47,619.02

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Solution

The fourth proportional to 77,844.74, 107,405.96 and 47,619.02 is: 65,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844.74 : 107,405.96 = 47,619.02 : x
  2. Step 2: Convert to fraction form
    77,844.74/107,405.96 = 47,619.02/x
  3. Step 3: Cross multiply
    77,844.74x = 107,405.96 × 47,619.02
  4. Step 4: Simplify right side
    77,844.74x = 5,114,566,557.36
  5. Step 5: Solve for x
    x = 5,114,566,557.36/77,844.74
  6. Step 6: Final answer
    x = 65,702.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.