Home / 52,126.12-71,887.57-40,643.83

Finding the Fourth Proportional to 52,126.12, 71,887.57 and 40,643.83

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Solution

The fourth proportional to 52,126.12, 71,887.57 and 40,643.83 is: 56,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,126.12 : 71,887.57 = 40,643.83 : x
  2. Step 2: Convert to fraction form
    52,126.12/71,887.57 = 40,643.83/x
  3. Step 3: Cross multiply
    52,126.12x = 71,887.57 × 40,643.83
  4. Step 4: Simplify right side
    52,126.12x = 2,921,786,174.19
  5. Step 5: Solve for x
    x = 2,921,786,174.19/52,126.12
  6. Step 6: Final answer
    x = 56,052.25

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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.