Home / 74,261.46-102,471.36-42,432.42

Finding the Fourth Proportional to 74,261.46, 102,471.36 and 42,432.42

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Solution

The fourth proportional to 74,261.46, 102,471.36 and 42,432.42 is: 58,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.46 : 102,471.36 = 42,432.42 : x
  2. Step 2: Convert to fraction form
    74,261.46/102,471.36 = 42,432.42/x
  3. Step 3: Cross multiply
    74,261.46x = 102,471.36 × 42,432.42
  4. Step 4: Simplify right side
    74,261.46x = 4,348,107,785.49
  5. Step 5: Solve for x
    x = 4,348,107,785.49/74,261.46
  6. Step 6: Final answer
    x = 58,551.34

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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.