Home / 79,442.29-118,981.95-37,918.45

Finding the Fourth Proportional to 79,442.29, 118,981.95 and 37,918.45

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Solution

The fourth proportional to 79,442.29, 118,981.95 and 37,918.45 is: 56,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442.29 : 118,981.95 = 37,918.45 : x
  2. Step 2: Convert to fraction form
    79,442.29/118,981.95 = 37,918.45/x
  3. Step 3: Cross multiply
    79,442.29x = 118,981.95 × 37,918.45
  4. Step 4: Simplify right side
    79,442.29x = 4,511,611,121.98
  5. Step 5: Solve for x
    x = 4,511,611,121.98/79,442.29
  6. Step 6: Final answer
    x = 56,791.05

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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.