Home / 114,548.91-158,078.35-63,561.84

Finding the Fourth Proportional to 114,548.91, 158,078.35 and 63,561.84

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Solution

The fourth proportional to 114,548.91, 158,078.35 and 63,561.84 is: 87,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,548.91 : 158,078.35 = 63,561.84 : x
  2. Step 2: Convert to fraction form
    114,548.91/158,078.35 = 63,561.84/x
  3. Step 3: Cross multiply
    114,548.91x = 158,078.35 × 63,561.84
  4. Step 4: Simplify right side
    114,548.91x = 10,047,750,790.16
  5. Step 5: Solve for x
    x = 10,047,750,790.16/114,548.91
  6. Step 6: Final answer
    x = 87,715.81

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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.