Home / 47,345.16-65,278.26-38,359.56

Finding the Fourth Proportional to 47,345.16, 65,278.26 and 38,359.56

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Solution

The fourth proportional to 47,345.16, 65,278.26 and 38,359.56 is: 52,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,345.16 : 65,278.26 = 38,359.56 : x
  2. Step 2: Convert to fraction form
    47,345.16/65,278.26 = 38,359.56/x
  3. Step 3: Cross multiply
    47,345.16x = 65,278.26 × 38,359.56
  4. Step 4: Simplify right side
    47,345.16x = 2,504,045,331.17
  5. Step 5: Solve for x
    x = 2,504,045,331.17/47,345.16
  6. Step 6: Final answer
    x = 52,889.15

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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.