Home / 74,554.05-102,885.60-40,562.94

Finding the Fourth Proportional to 74,554.05, 102,885.60 and 40,562.94

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Solution

The fourth proportional to 74,554.05, 102,885.60 and 40,562.94 is: 55,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,554.05 : 102,885.60 = 40,562.94 : x
  2. Step 2: Convert to fraction form
    74,554.05/102,885.60 = 40,562.94/x
  3. Step 3: Cross multiply
    74,554.05x = 102,885.60 × 40,562.94
  4. Step 4: Simplify right side
    74,554.05x = 4,173,342,419.66
  5. Step 5: Solve for x
    x = 4,173,342,419.66/74,554.05
  6. Step 6: Final answer
    x = 55,977.41

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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.