Home / 106,421.40-159,440.10-62,011.80

Finding the Fourth Proportional to 106,421.40, 159,440.10 and 62,011.80

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Solution

The fourth proportional to 106,421.40, 159,440.10 and 62,011.80 is: 92,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.40 : 159,440.10 = 62,011.80 : x
  2. Step 2: Convert to fraction form
    106,421.40/159,440.10 = 62,011.80/x
  3. Step 3: Cross multiply
    106,421.40x = 159,440.10 × 62,011.80
  4. Step 4: Simplify right side
    106,421.40x = 9,887,167,593.18
  5. Step 5: Solve for x
    x = 9,887,167,593.18/106,421.40
  6. Step 6: Final answer
    x = 92,905.82

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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.