Home / 115,833.08-173,631.90-45,615.80

Finding the Fourth Proportional to 115,833.08, 173,631.90 and 45,615.80

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Solution

The fourth proportional to 115,833.08, 173,631.90 and 45,615.80 is: 68,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,833.08 : 173,631.90 = 45,615.80 : x
  2. Step 2: Convert to fraction form
    115,833.08/173,631.90 = 45,615.80/x
  3. Step 3: Cross multiply
    115,833.08x = 173,631.90 × 45,615.80
  4. Step 4: Simplify right side
    115,833.08x = 7,920,358,024.02
  5. Step 5: Solve for x
    x = 7,920,358,024.02/115,833.08
  6. Step 6: Final answer
    x = 68,377.34

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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.