Home / 78,374.45-108,126.23-44,375.11

Finding the Fourth Proportional to 78,374.45, 108,126.23 and 44,375.11

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Solution

The fourth proportional to 78,374.45, 108,126.23 and 44,375.11 is: 61,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,374.45 : 108,126.23 = 44,375.11 : x
  2. Step 2: Convert to fraction form
    78,374.45/108,126.23 = 44,375.11/x
  3. Step 3: Cross multiply
    78,374.45x = 108,126.23 × 44,375.11
  4. Step 4: Simplify right side
    78,374.45x = 4,798,112,857.94
  5. Step 5: Solve for x
    x = 4,798,112,857.94/78,374.45
  6. Step 6: Final answer
    x = 61,220.37

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1.5x scale

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.