Home / 47,378.64-65,405.88-37,151.64

Finding the Fourth Proportional to 47,378.64, 65,405.88 and 37,151.64

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Solution

The fourth proportional to 47,378.64, 65,405.88 and 37,151.64 is: 51,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.64 : 65,405.88 = 37,151.64 : x
  2. Step 2: Convert to fraction form
    47,378.64/65,405.88 = 37,151.64/x
  3. Step 3: Cross multiply
    47,378.64x = 65,405.88 × 37,151.64
  4. Step 4: Simplify right side
    47,378.64x = 2,429,935,707.64
  5. Step 5: Solve for x
    x = 2,429,935,707.64/47,378.64
  6. Step 6: Final answer
    x = 51,287.58

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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.