Home / 116,780.84-161,157.54-63,065.85

Finding the Fourth Proportional to 116,780.84, 161,157.54 and 63,065.85

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Solution

The fourth proportional to 116,780.84, 161,157.54 and 63,065.85 is: 87,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,780.84 : 161,157.54 = 63,065.85 : x
  2. Step 2: Convert to fraction form
    116,780.84/161,157.54 = 63,065.85/x
  3. Step 3: Cross multiply
    116,780.84x = 161,157.54 × 63,065.85
  4. Step 4: Simplify right side
    116,780.84x = 10,163,536,876.17
  5. Step 5: Solve for x
    x = 10,163,536,876.17/116,780.84
  6. Step 6: Final answer
    x = 87,030.86

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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.