Home / 114,724.80-158,322.24-63,742.20

Finding the Fourth Proportional to 114,724.80, 158,322.24 and 63,742.20

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Solution

The fourth proportional to 114,724.80, 158,322.24 and 63,742.20 is: 87,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,724.80 : 158,322.24 = 63,742.20 : x
  2. Step 2: Convert to fraction form
    114,724.80/158,322.24 = 63,742.20/x
  3. Step 3: Cross multiply
    114,724.80x = 158,322.24 × 63,742.20
  4. Step 4: Simplify right side
    114,724.80x = 10,091,807,886.53
  5. Step 5: Solve for x
    x = 10,091,807,886.53/114,724.80
  6. Step 6: Final answer
    x = 87,965.36

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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.