Home / 115,920.70-173,829.85-53,610.30

Finding the Fourth Proportional to 115,920.70, 173,829.85 and 53,610.30

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Solution

The fourth proportional to 115,920.70, 173,829.85 and 53,610.30 is: 80,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920.70 : 173,829.85 = 53,610.30 : x
  2. Step 2: Convert to fraction form
    115,920.70/173,829.85 = 53,610.30/x
  3. Step 3: Cross multiply
    115,920.70x = 173,829.85 × 53,610.30
  4. Step 4: Simplify right side
    115,920.70x = 9,319,070,407.46
  5. Step 5: Solve for x
    x = 9,319,070,407.46/115,920.70
  6. Step 6: Final answer
    x = 80,391.77

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1.5x scale

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.