Home / 98,824.72-136,378.16-53,502.71

Finding the Fourth Proportional to 98,824.72, 136,378.16 and 53,502.71

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Solution

The fourth proportional to 98,824.72, 136,378.16 and 53,502.71 is: 73,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,824.72 : 136,378.16 = 53,502.71 : x
  2. Step 2: Convert to fraction form
    98,824.72/136,378.16 = 53,502.71/x
  3. Step 3: Cross multiply
    98,824.72x = 136,378.16 × 53,502.71
  4. Step 4: Simplify right side
    98,824.72x = 7,296,600,195.41
  5. Step 5: Solve for x
    x = 7,296,600,195.41/98,824.72
  6. Step 6: Final answer
    x = 73,833.76

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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.