Home / 74,444-102,734.88-40,912.16

Finding the Fourth Proportional to 74,444, 102,734.88 and 40,912.16

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Solution

The fourth proportional to 74,444, 102,734.88 and 40,912.16 is: 56,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444 : 102,734.88 = 40,912.16 : x
  2. Step 2: Convert to fraction form
    74,444/102,734.88 = 40,912.16/x
  3. Step 3: Cross multiply
    74,444x = 102,734.88 × 40,912.16
  4. Step 4: Simplify right side
    74,444x = 4,203,105,848.14
  5. Step 5: Solve for x
    x = 4,203,105,848.14/74,444
  6. Step 6: Final answer
    x = 56,459.97

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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.