Home / 74,170.35-102,353.36-40,635.63

Finding the Fourth Proportional to 74,170.35, 102,353.36 and 40,635.63

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Solution

The fourth proportional to 74,170.35, 102,353.36 and 40,635.63 is: 56,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,170.35 : 102,353.36 = 40,635.63 : x
  2. Step 2: Convert to fraction form
    74,170.35/102,353.36 = 40,635.63/x
  3. Step 3: Cross multiply
    74,170.35x = 102,353.36 × 40,635.63
  4. Step 4: Simplify right side
    74,170.35x = 4,159,193,063.04
  5. Step 5: Solve for x
    x = 4,159,193,063.04/74,170.35
  6. Step 6: Final answer
    x = 56,076.22

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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.