Home / 99,150.60-136,827.39-53,828.22

Finding the Fourth Proportional to 99,150.60, 136,827.39 and 53,828.22

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Solution

The fourth proportional to 99,150.60, 136,827.39 and 53,828.22 is: 74,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150.60 : 136,827.39 = 53,828.22 : x
  2. Step 2: Convert to fraction form
    99,150.60/136,827.39 = 53,828.22/x
  3. Step 3: Cross multiply
    99,150.60x = 136,827.39 × 53,828.22
  4. Step 4: Simplify right side
    99,150.60x = 7,365,174,850.95
  5. Step 5: Solve for x
    x = 7,365,174,850.95/99,150.60
  6. Step 6: Final answer
    x = 74,282.71

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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.