Home / 109,780.96-151,495.76-62,033.28

Finding the Fourth Proportional to 109,780.96, 151,495.76 and 62,033.28

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Solution

The fourth proportional to 109,780.96, 151,495.76 and 62,033.28 is: 85,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,780.96 : 151,495.76 = 62,033.28 : x
  2. Step 2: Convert to fraction form
    109,780.96/151,495.76 = 62,033.28/x
  3. Step 3: Cross multiply
    109,780.96x = 151,495.76 × 62,033.28
  4. Step 4: Simplify right side
    109,780.96x = 9,397,779,415.18
  5. Step 5: Solve for x
    x = 9,397,779,415.18/109,780.96
  6. Step 6: Final answer
    x = 85,604.82

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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.