Home / 85,500.29-117,990.77-46,738.89

Finding the Fourth Proportional to 85,500.29, 117,990.77 and 46,738.89

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Solution

The fourth proportional to 85,500.29, 117,990.77 and 46,738.89 is: 64,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,500.29 : 117,990.77 = 46,738.89 : x
  2. Step 2: Convert to fraction form
    85,500.29/117,990.77 = 46,738.89/x
  3. Step 3: Cross multiply
    85,500.29x = 117,990.77 × 46,738.89
  4. Step 4: Simplify right side
    85,500.29x = 5,514,757,386.35
  5. Step 5: Solve for x
    x = 5,514,757,386.35/85,500.29
  6. Step 6: Final answer
    x = 64,499.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.