Home / 115,903.10-173,854.65-56,747.90

Finding the Fourth Proportional to 115,903.10, 173,854.65 and 56,747.90

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Solution

The fourth proportional to 115,903.10, 173,854.65 and 56,747.90 is: 85,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,903.10 : 173,854.65 = 56,747.90 : x
  2. Step 2: Convert to fraction form
    115,903.10/173,854.65 = 56,747.90/x
  3. Step 3: Cross multiply
    115,903.10x = 173,854.65 × 56,747.90
  4. Step 4: Simplify right side
    115,903.10x = 9,865,886,292.74
  5. Step 5: Solve for x
    x = 9,865,886,292.74/115,903.10
  6. Step 6: Final answer
    x = 85,121.85

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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.