Home / 47,094.40-64,976.34-39,124

Finding the Fourth Proportional to 47,094.40, 64,976.34 and 39,124

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Solution

The fourth proportional to 47,094.40, 64,976.34 and 39,124 is: 53,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,094.40 : 64,976.34 = 39,124 : x
  2. Step 2: Convert to fraction form
    47,094.40/64,976.34 = 39,124/x
  3. Step 3: Cross multiply
    47,094.40x = 64,976.34 × 39,124
  4. Step 4: Simplify right side
    47,094.40x = 2,542,134,326.16
  5. Step 5: Solve for x
    x = 2,542,134,326.16/47,094.40
  6. Step 6: Final answer
    x = 53,979.55

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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.