Home / 99,226.35-136,931.82-53,903.96

Finding the Fourth Proportional to 99,226.35, 136,931.82 and 53,903.96

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Solution

The fourth proportional to 99,226.35, 136,931.82 and 53,903.96 is: 74,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,226.35 : 136,931.82 = 53,903.96 : x
  2. Step 2: Convert to fraction form
    99,226.35/136,931.82 = 53,903.96/x
  3. Step 3: Cross multiply
    99,226.35x = 136,931.82 × 53,903.96
  4. Step 4: Simplify right side
    99,226.35x = 7,381,167,744.94
  5. Step 5: Solve for x
    x = 7,381,167,744.94/99,226.35
  6. Step 6: Final answer
    x = 74,387.17

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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.