Home / 98,871.72-136,442.28-53,548.66

Finding the Fourth Proportional to 98,871.72, 136,442.28 and 53,548.66

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Solution

The fourth proportional to 98,871.72, 136,442.28 and 53,548.66 is: 73,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,871.72 : 136,442.28 = 53,548.66 : x
  2. Step 2: Convert to fraction form
    98,871.72/136,442.28 = 53,548.66/x
  3. Step 3: Cross multiply
    98,871.72x = 136,442.28 × 53,548.66
  4. Step 4: Simplify right side
    98,871.72x = 7,306,301,261.34
  5. Step 5: Solve for x
    x = 7,306,301,261.34/98,871.72
  6. Step 6: Final answer
    x = 73,896.78

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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.