Home / 73,118.07-109,510.65-57,223.98

Finding the Fourth Proportional to 73,118.07, 109,510.65 and 57,223.98

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Solution

The fourth proportional to 73,118.07, 109,510.65 and 57,223.98 is: 85,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.07 : 109,510.65 = 57,223.98 : x
  2. Step 2: Convert to fraction form
    73,118.07/109,510.65 = 57,223.98/x
  3. Step 3: Cross multiply
    73,118.07x = 109,510.65 × 57,223.98
  4. Step 4: Simplify right side
    73,118.07x = 6,266,635,245.39
  5. Step 5: Solve for x
    x = 6,266,635,245.39/73,118.07
  6. Step 6: Final answer
    x = 85,705.70

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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.