Home / 99,101.19-136,873.26-65,261.01

Finding the Fourth Proportional to 99,101.19, 136,873.26 and 65,261.01

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Solution

The fourth proportional to 99,101.19, 136,873.26 and 65,261.01 is: 90,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101.19 : 136,873.26 = 65,261.01 : x
  2. Step 2: Convert to fraction form
    99,101.19/136,873.26 = 65,261.01/x
  3. Step 3: Cross multiply
    99,101.19x = 136,873.26 × 65,261.01
  4. Step 4: Simplify right side
    99,101.19x = 8,932,487,189.59
  5. Step 5: Solve for x
    x = 8,932,487,189.59/99,101.19
  6. Step 6: Final answer
    x = 90,135.01

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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.