Home / 77,093.42-115,649.31-32,714.30

Finding the Fourth Proportional to 77,093.42, 115,649.31 and 32,714.30

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Solution

The fourth proportional to 77,093.42, 115,649.31 and 32,714.30 is: 49,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,093.42 : 115,649.31 = 32,714.30 : x
  2. Step 2: Convert to fraction form
    77,093.42/115,649.31 = 32,714.30/x
  3. Step 3: Cross multiply
    77,093.42x = 115,649.31 × 32,714.30
  4. Step 4: Simplify right side
    77,093.42x = 3,783,386,222.13
  5. Step 5: Solve for x
    x = 3,783,386,222.13/77,093.42
  6. Step 6: Final answer
    x = 49,075.35

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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.