Home / 56,355.45-77,851.53-45,010.05

Finding the Fourth Proportional to 56,355.45, 77,851.53 and 45,010.05

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Solution

The fourth proportional to 56,355.45, 77,851.53 and 45,010.05 is: 62,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,355.45 : 77,851.53 = 45,010.05 : x
  2. Step 2: Convert to fraction form
    56,355.45/77,851.53 = 45,010.05/x
  3. Step 3: Cross multiply
    56,355.45x = 77,851.53 × 45,010.05
  4. Step 4: Simplify right side
    56,355.45x = 3,504,101,257.88
  5. Step 5: Solve for x
    x = 3,504,101,257.88/56,355.45
  6. Step 6: Final answer
    x = 62,178.57

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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.