Home / 98,932.30-136,524.20-53,608.34

Finding the Fourth Proportional to 98,932.30, 136,524.20 and 53,608.34

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Solution

The fourth proportional to 98,932.30, 136,524.20 and 53,608.34 is: 73,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.30 : 136,524.20 = 53,608.34 : x
  2. Step 2: Convert to fraction form
    98,932.30/136,524.20 = 53,608.34/x
  3. Step 3: Cross multiply
    98,932.30x = 136,524.20 × 53,608.34
  4. Step 4: Simplify right side
    98,932.30x = 7,318,835,731.83
  5. Step 5: Solve for x
    x = 7,318,835,731.83/98,932.30
  6. Step 6: Final answer
    x = 73,978.22

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1.5x scale

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.