Home / 58,790.70-81,086.68-40,876.74

Finding the Fourth Proportional to 58,790.70, 81,086.68 and 40,876.74

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Solution

The fourth proportional to 58,790.70, 81,086.68 and 40,876.74 is: 56,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,790.70 : 81,086.68 = 40,876.74 : x
  2. Step 2: Convert to fraction form
    58,790.70/81,086.68 = 40,876.74/x
  3. Step 3: Cross multiply
    58,790.70x = 81,086.68 × 40,876.74
  4. Step 4: Simplify right side
    58,790.70x = 3,314,559,135.82
  5. Step 5: Solve for x
    x = 3,314,559,135.82/58,790.70
  6. Step 6: Final answer
    x = 56,378.97

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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.