Home / 99,201.42-136,898.94-53,880.29

Finding the Fourth Proportional to 99,201.42, 136,898.94 and 53,880.29

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Solution

The fourth proportional to 99,201.42, 136,898.94 and 53,880.29 is: 74,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,201.42 : 136,898.94 = 53,880.29 : x
  2. Step 2: Convert to fraction form
    99,201.42/136,898.94 = 53,880.29/x
  3. Step 3: Cross multiply
    99,201.42x = 136,898.94 × 53,880.29
  4. Step 4: Simplify right side
    99,201.42x = 7,376,154,587.89
  5. Step 5: Solve for x
    x = 7,376,154,587.89/99,201.42
  6. Step 6: Final answer
    x = 74,355.33

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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.