Home / 55,282.16-76,291.43-31,412.90

Finding the Fourth Proportional to 55,282.16, 76,291.43 and 31,412.90

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Solution

The fourth proportional to 55,282.16, 76,291.43 and 31,412.90 is: 43,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.16 : 76,291.43 = 31,412.90 : x
  2. Step 2: Convert to fraction form
    55,282.16/76,291.43 = 31,412.90/x
  3. Step 3: Cross multiply
    55,282.16x = 76,291.43 × 31,412.90
  4. Step 4: Simplify right side
    55,282.16x = 2,396,534,522.93
  5. Step 5: Solve for x
    x = 2,396,534,522.93/55,282.16
  6. Step 6: Final answer
    x = 43,350.96

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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.