Home / 54,652.08-75,261.06-47,478.72

Finding the Fourth Proportional to 54,652.08, 75,261.06 and 47,478.72

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Solution

The fourth proportional to 54,652.08, 75,261.06 and 47,478.72 is: 65,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652.08 : 75,261.06 = 47,478.72 : x
  2. Step 2: Convert to fraction form
    54,652.08/75,261.06 = 47,478.72/x
  3. Step 3: Cross multiply
    54,652.08x = 75,261.06 × 47,478.72
  4. Step 4: Simplify right side
    54,652.08x = 3,573,298,794.64
  5. Step 5: Solve for x
    x = 3,573,298,794.64/54,652.08
  6. Step 6: Final answer
    x = 65,382.67

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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.