Home / 127,689.35-191,335.37-48,760.52

Finding the Fourth Proportional to 127,689.35, 191,335.37 and 48,760.52

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Solution

The fourth proportional to 127,689.35, 191,335.37 and 48,760.52 is: 73,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,689.35 : 191,335.37 = 48,760.52 : x
  2. Step 2: Convert to fraction form
    127,689.35/191,335.37 = 48,760.52/x
  3. Step 3: Cross multiply
    127,689.35x = 191,335.37 × 48,760.52
  4. Step 4: Simplify right side
    127,689.35x = 9,329,610,935.11
  5. Step 5: Solve for x
    x = 9,329,610,935.11/127,689.35
  6. Step 6: Final answer
    x = 73,064.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.