Home / 99,164.51-148,727.65-28,086.60

Finding the Fourth Proportional to 99,164.51, 148,727.65 and 28,086.60

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Solution

The fourth proportional to 99,164.51, 148,727.65 and 28,086.60 is: 42,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164.51 : 148,727.65 = 28,086.60 : x
  2. Step 2: Convert to fraction form
    99,164.51/148,727.65 = 28,086.60/x
  3. Step 3: Cross multiply
    99,164.51x = 148,727.65 × 28,086.60
  4. Step 4: Simplify right side
    99,164.51x = 4,177,254,014.49
  5. Step 5: Solve for x
    x = 4,177,254,014.49/99,164.51
  6. Step 6: Final answer
    x = 42,124.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.