Home / 99,100.54-136,758.04-53,777.36

Finding the Fourth Proportional to 99,100.54, 136,758.04 and 53,777.36

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Solution

The fourth proportional to 99,100.54, 136,758.04 and 53,777.36 is: 74,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,100.54 : 136,758.04 = 53,777.36 : x
  2. Step 2: Convert to fraction form
    99,100.54/136,758.04 = 53,777.36/x
  3. Step 3: Cross multiply
    99,100.54x = 136,758.04 × 53,777.36
  4. Step 4: Simplify right side
    99,100.54x = 7,354,486,349.97
  5. Step 5: Solve for x
    x = 7,354,486,349.97/99,100.54
  6. Step 6: Final answer
    x = 74,212.37

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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.