Home / 98,783.38-136,321.24-53,461.41

Finding the Fourth Proportional to 98,783.38, 136,321.24 and 53,461.41

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Solution

The fourth proportional to 98,783.38, 136,321.24 and 53,461.41 is: 73,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,783.38 : 136,321.24 = 53,461.41 : x
  2. Step 2: Convert to fraction form
    98,783.38/136,321.24 = 53,461.41/x
  3. Step 3: Cross multiply
    98,783.38x = 136,321.24 × 53,461.41
  4. Step 4: Simplify right side
    98,783.38x = 7,287,925,775.18
  5. Step 5: Solve for x
    x = 7,287,925,775.18/98,783.38
  6. Step 6: Final answer
    x = 73,776.84

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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.