Home / 99,101.04-136,758.73-53,777.87

Finding the Fourth Proportional to 99,101.04, 136,758.73 and 53,777.87

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Solution

The fourth proportional to 99,101.04, 136,758.73 and 53,777.87 is: 74,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101.04 : 136,758.73 = 53,777.87 : x
  2. Step 2: Convert to fraction form
    99,101.04/136,758.73 = 53,777.87/x
  3. Step 3: Cross multiply
    99,101.04x = 136,758.73 × 53,777.87
  4. Step 4: Simplify right side
    99,101.04x = 7,354,593,203.31
  5. Step 5: Solve for x
    x = 7,354,593,203.31/99,101.04
  6. Step 6: Final answer
    x = 74,213.08

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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.