Home / 77,440.74-106,889.31-45,619.98

Finding the Fourth Proportional to 77,440.74, 106,889.31 and 45,619.98

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Solution

The fourth proportional to 77,440.74, 106,889.31 and 45,619.98 is: 62,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,440.74 : 106,889.31 = 45,619.98 : x
  2. Step 2: Convert to fraction form
    77,440.74/106,889.31 = 45,619.98/x
  3. Step 3: Cross multiply
    77,440.74x = 106,889.31 × 45,619.98
  4. Step 4: Simplify right side
    77,440.74x = 4,876,288,184.41
  5. Step 5: Solve for x
    x = 4,876,288,184.41/77,440.74
  6. Step 6: Final answer
    x = 62,968.00

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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.