Home / 58,665.43-81,025.11-39,769.75

Finding the Fourth Proportional to 58,665.43, 81,025.11 and 39,769.75

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Solution

The fourth proportional to 58,665.43, 81,025.11 and 39,769.75 is: 54,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,665.43 : 81,025.11 = 39,769.75 : x
  2. Step 2: Convert to fraction form
    58,665.43/81,025.11 = 39,769.75/x
  3. Step 3: Cross multiply
    58,665.43x = 81,025.11 × 39,769.75
  4. Step 4: Simplify right side
    58,665.43x = 3,222,348,165.86
  5. Step 5: Solve for x
    x = 3,222,348,165.86/58,665.43
  6. Step 6: Final answer
    x = 54,927.55

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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.