Home / 99,223.89-136,926.66-53,900.85

Finding the Fourth Proportional to 99,223.89, 136,926.66 and 53,900.85

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Solution

The fourth proportional to 99,223.89, 136,926.66 and 53,900.85 is: 74,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,223.89 : 136,926.66 = 53,900.85 : x
  2. Step 2: Convert to fraction form
    99,223.89/136,926.66 = 53,900.85/x
  3. Step 3: Cross multiply
    99,223.89x = 136,926.66 × 53,900.85
  4. Step 4: Simplify right side
    99,223.89x = 7,380,463,361.66
  5. Step 5: Solve for x
    x = 7,380,463,361.66/99,223.89
  6. Step 6: Final answer
    x = 74,381.92

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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.