Home / 54,406.05-81,609.08-47,116.05

Finding the Fourth Proportional to 54,406.05, 81,609.08 and 47,116.05

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Solution

The fourth proportional to 54,406.05, 81,609.08 and 47,116.05 is: 70,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,406.05 : 81,609.08 = 47,116.05 : x
  2. Step 2: Convert to fraction form
    54,406.05/81,609.08 = 47,116.05/x
  3. Step 3: Cross multiply
    54,406.05x = 81,609.08 × 47,116.05
  4. Step 4: Simplify right side
    54,406.05x = 3,845,097,258.15
  5. Step 5: Solve for x
    x = 3,845,097,258.15/54,406.05
  6. Step 6: Final answer
    x = 70,674.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.