Home / 56,634.78-78,040.83-43,810.07

Finding the Fourth Proportional to 56,634.78, 78,040.83 and 43,810.07

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Solution

The fourth proportional to 56,634.78, 78,040.83 and 43,810.07 is: 60,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634.78 : 78,040.83 = 43,810.07 : x
  2. Step 2: Convert to fraction form
    56,634.78/78,040.83 = 43,810.07/x
  3. Step 3: Cross multiply
    56,634.78x = 78,040.83 × 43,810.07
  4. Step 4: Simplify right side
    56,634.78x = 3,418,974,006.11
  5. Step 5: Solve for x
    x = 3,418,974,006.11/56,634.78
  6. Step 6: Final answer
    x = 60,368.81

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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.