Home / 106,810.30-160,310.49-56,931.58

Finding the Fourth Proportional to 106,810.30, 160,310.49 and 56,931.58

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Solution

The fourth proportional to 106,810.30, 160,310.49 and 56,931.58 is: 85,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,810.30 : 160,310.49 = 56,931.58 : x
  2. Step 2: Convert to fraction form
    106,810.30/160,310.49 = 56,931.58/x
  3. Step 3: Cross multiply
    106,810.30x = 160,310.49 × 56,931.58
  4. Step 4: Simplify right side
    106,810.30x = 9,126,729,486.27
  5. Step 5: Solve for x
    x = 9,126,729,486.27/106,810.30
  6. Step 6: Final answer
    x = 85,448.03

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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.