Home / 77,830.42-107,398.70-45,993.24

Finding the Fourth Proportional to 77,830.42, 107,398.70 and 45,993.24

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Solution

The fourth proportional to 77,830.42, 107,398.70 and 45,993.24 is: 63,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,830.42 : 107,398.70 = 45,993.24 : x
  2. Step 2: Convert to fraction form
    77,830.42/107,398.70 = 45,993.24/x
  3. Step 3: Cross multiply
    77,830.42x = 107,398.70 × 45,993.24
  4. Step 4: Simplify right side
    77,830.42x = 4,939,614,184.79
  5. Step 5: Solve for x
    x = 4,939,614,184.79/77,830.42
  6. Step 6: Final answer
    x = 63,466.37

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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.