Home / 57,202.86-78,893.16-40,263.18

Finding the Fourth Proportional to 57,202.86, 78,893.16 and 40,263.18

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Solution

The fourth proportional to 57,202.86, 78,893.16 and 40,263.18 is: 55,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.86 : 78,893.16 = 40,263.18 : x
  2. Step 2: Convert to fraction form
    57,202.86/78,893.16 = 40,263.18/x
  3. Step 3: Cross multiply
    57,202.86x = 78,893.16 × 40,263.18
  4. Step 4: Simplify right side
    57,202.86x = 3,176,489,501.85
  5. Step 5: Solve for x
    x = 3,176,489,501.85/57,202.86
  6. Step 6: Final answer
    x = 55,530.26

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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.