Home / 98,773.29-136,306.09-53,450.28

Finding the Fourth Proportional to 98,773.29, 136,306.09 and 53,450.28

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Solution

The fourth proportional to 98,773.29, 136,306.09 and 53,450.28 is: 73,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,773.29 : 136,306.09 = 53,450.28 : x
  2. Step 2: Convert to fraction form
    98,773.29/136,306.09 = 53,450.28/x
  3. Step 3: Cross multiply
    98,773.29x = 136,306.09 × 53,450.28
  4. Step 4: Simplify right side
    98,773.29x = 7,285,597,994.67
  5. Step 5: Solve for x
    x = 7,285,597,994.67/98,773.29
  6. Step 6: Final answer
    x = 73,760.81

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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.