Home / 99,947.51-137,914.23-64,185.96

Finding the Fourth Proportional to 99,947.51, 137,914.23 and 64,185.96

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Solution

The fourth proportional to 99,947.51, 137,914.23 and 64,185.96 is: 88,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,947.51 : 137,914.23 = 64,185.96 : x
  2. Step 2: Convert to fraction form
    99,947.51/137,914.23 = 64,185.96/x
  3. Step 3: Cross multiply
    99,947.51x = 137,914.23 × 64,185.96
  4. Step 4: Simplify right side
    99,947.51x = 8,852,157,250.21
  5. Step 5: Solve for x
    x = 8,852,157,250.21/99,947.51
  6. Step 6: Final answer
    x = 88,568.06

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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.