Home / 56,541.92-78,057.04-39,849.44

Finding the Fourth Proportional to 56,541.92, 78,057.04 and 39,849.44

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Solution

The fourth proportional to 56,541.92, 78,057.04 and 39,849.44 is: 55,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,541.92 : 78,057.04 = 39,849.44 : x
  2. Step 2: Convert to fraction form
    56,541.92/78,057.04 = 39,849.44/x
  3. Step 3: Cross multiply
    56,541.92x = 78,057.04 × 39,849.44
  4. Step 4: Simplify right side
    56,541.92x = 3,110,529,332.06
  5. Step 5: Solve for x
    x = 3,110,529,332.06/56,541.92
  6. Step 6: Final answer
    x = 55,012.80

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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.