Home / 85,068.84-117,435.24-56,793.36

Finding the Fourth Proportional to 85,068.84, 117,435.24 and 56,793.36

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Solution

The fourth proportional to 85,068.84, 117,435.24 and 56,793.36 is: 78,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,068.84 : 117,435.24 = 56,793.36 : x
  2. Step 2: Convert to fraction form
    85,068.84/117,435.24 = 56,793.36/x
  3. Step 3: Cross multiply
    85,068.84x = 117,435.24 × 56,793.36
  4. Step 4: Simplify right side
    85,068.84x = 6,669,541,862.01
  5. Step 5: Solve for x
    x = 6,669,541,862.01/85,068.84
  6. Step 6: Final answer
    x = 78,401.70

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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.