Home / 74,047.46-102,143.97-45,381.01

Finding the Fourth Proportional to 74,047.46, 102,143.97 and 45,381.01

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Solution

The fourth proportional to 74,047.46, 102,143.97 and 45,381.01 is: 62,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.46 : 102,143.97 = 45,381.01 : x
  2. Step 2: Convert to fraction form
    74,047.46/102,143.97 = 45,381.01/x
  3. Step 3: Cross multiply
    74,047.46x = 102,143.97 × 45,381.01
  4. Step 4: Simplify right side
    74,047.46x = 4,635,396,524.01
  5. Step 5: Solve for x
    x = 4,635,396,524.01/74,047.46
  6. Step 6: Final answer
    x = 62,600.34

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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.