Home / 98,832.72-136,389.24-53,510.74

Finding the Fourth Proportional to 98,832.72, 136,389.24 and 53,510.74

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Solution

The fourth proportional to 98,832.72, 136,389.24 and 53,510.74 is: 73,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,832.72 : 136,389.24 = 53,510.74 : x
  2. Step 2: Convert to fraction form
    98,832.72/136,389.24 = 53,510.74/x
  3. Step 3: Cross multiply
    98,832.72x = 136,389.24 × 53,510.74
  4. Step 4: Simplify right side
    98,832.72x = 7,298,289,160.44
  5. Step 5: Solve for x
    x = 7,298,289,160.44/98,832.72
  6. Step 6: Final answer
    x = 73,844.87

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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.