Home / 47,054.71-64,872.66-40,311.46

Finding the Fourth Proportional to 47,054.71, 64,872.66 and 40,311.46

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Solution

The fourth proportional to 47,054.71, 64,872.66 and 40,311.46 is: 55,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,054.71 : 64,872.66 = 40,311.46 : x
  2. Step 2: Convert to fraction form
    47,054.71/64,872.66 = 40,311.46/x
  3. Step 3: Cross multiply
    47,054.71x = 64,872.66 × 40,311.46
  4. Step 4: Simplify right side
    47,054.71x = 2,615,111,638.68
  5. Step 5: Solve for x
    x = 2,615,111,638.68/47,054.71
  6. Step 6: Final answer
    x = 55,575.98

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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.