Home / 77,359.13-106,755.60-43,825.13

Finding the Fourth Proportional to 77,359.13, 106,755.60 and 43,825.13

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Solution

The fourth proportional to 77,359.13, 106,755.60 and 43,825.13 is: 60,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,359.13 : 106,755.60 = 43,825.13 : x
  2. Step 2: Convert to fraction form
    77,359.13/106,755.60 = 43,825.13/x
  3. Step 3: Cross multiply
    77,359.13x = 106,755.60 × 43,825.13
  4. Step 4: Simplify right side
    77,359.13x = 4,678,577,514.45
  5. Step 5: Solve for x
    x = 4,678,577,514.45/77,359.13
  6. Step 6: Final answer
    x = 60,478.68

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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.