Home / 58,777.05-81,112.08-31,919.34

Finding the Fourth Proportional to 58,777.05, 81,112.08 and 31,919.34

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Solution

The fourth proportional to 58,777.05, 81,112.08 and 31,919.34 is: 44,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.05 : 81,112.08 = 31,919.34 : x
  2. Step 2: Convert to fraction form
    58,777.05/81,112.08 = 31,919.34/x
  3. Step 3: Cross multiply
    58,777.05x = 81,112.08 × 31,919.34
  4. Step 4: Simplify right side
    58,777.05x = 2,589,044,059.63
  5. Step 5: Solve for x
    x = 2,589,044,059.63/58,777.05
  6. Step 6: Final answer
    x = 44,048.55

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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.