Home / 107,059.80-147,811.85-68,836.51

Finding the Fourth Proportional to 107,059.80, 147,811.85 and 68,836.51

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Solution

The fourth proportional to 107,059.80, 147,811.85 and 68,836.51 is: 95,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,059.80 : 147,811.85 = 68,836.51 : x
  2. Step 2: Convert to fraction form
    107,059.80/147,811.85 = 68,836.51/x
  3. Step 3: Cross multiply
    107,059.80x = 147,811.85 × 68,836.51
  4. Step 4: Simplify right side
    107,059.80x = 10,174,851,890.64
  5. Step 5: Solve for x
    x = 10,174,851,890.64/107,059.80
  6. Step 6: Final answer
    x = 95,038.96

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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.