Home / 54,905.56-81,956.51-47,164.12

Finding the Fourth Proportional to 54,905.56, 81,956.51 and 47,164.12

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Solution

The fourth proportional to 54,905.56, 81,956.51 and 47,164.12 is: 70,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.56 : 81,956.51 = 47,164.12 : x
  2. Step 2: Convert to fraction form
    54,905.56/81,956.51 = 47,164.12/x
  3. Step 3: Cross multiply
    54,905.56x = 81,956.51 × 47,164.12
  4. Step 4: Simplify right side
    54,905.56x = 3,865,406,672.42
  5. Step 5: Solve for x
    x = 3,865,406,672.42/54,905.56
  6. Step 6: Final answer
    x = 70,401.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.