Home / 74,235.78-102,445.74-44,036.28

Finding the Fourth Proportional to 74,235.78, 102,445.74 and 44,036.28

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Solution

The fourth proportional to 74,235.78, 102,445.74 and 44,036.28 is: 60,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,235.78 : 102,445.74 = 44,036.28 : x
  2. Step 2: Convert to fraction form
    74,235.78/102,445.74 = 44,036.28/x
  3. Step 3: Cross multiply
    74,235.78x = 102,445.74 × 44,036.28
  4. Step 4: Simplify right side
    74,235.78x = 4,511,329,291.45
  5. Step 5: Solve for x
    x = 4,511,329,291.45/74,235.78
  6. Step 6: Final answer
    x = 60,770.28

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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.