Home / 106,354.03-159,320.90-64,109.40

Finding the Fourth Proportional to 106,354.03, 159,320.90 and 64,109.40

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Solution

The fourth proportional to 106,354.03, 159,320.90 and 64,109.40 is: 96,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,354.03 : 159,320.90 = 64,109.40 : x
  2. Step 2: Convert to fraction form
    106,354.03/159,320.90 = 64,109.40/x
  3. Step 3: Cross multiply
    106,354.03x = 159,320.90 × 64,109.40
  4. Step 4: Simplify right side
    106,354.03x = 10,213,967,306.46
  5. Step 5: Solve for x
    x = 10,213,967,306.46/106,354.03
  6. Step 6: Final answer
    x = 96,037.43

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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.