Home / 106,717.17-147,270.15-58,320.06

Finding the Fourth Proportional to 106,717.17, 147,270.15 and 58,320.06

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Solution

The fourth proportional to 106,717.17, 147,270.15 and 58,320.06 is: 80,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,717.17 : 147,270.15 = 58,320.06 : x
  2. Step 2: Convert to fraction form
    106,717.17/147,270.15 = 58,320.06/x
  3. Step 3: Cross multiply
    106,717.17x = 147,270.15 × 58,320.06
  4. Step 4: Simplify right side
    106,717.17x = 8,588,803,984.21
  5. Step 5: Solve for x
    x = 8,588,803,984.21/106,717.17
  6. Step 6: Final answer
    x = 80,481.93

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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.