Home / 55,623.48-76,760.01-30,129.27

Finding the Fourth Proportional to 55,623.48, 76,760.01 and 30,129.27

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Solution

The fourth proportional to 55,623.48, 76,760.01 and 30,129.27 is: 41,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,623.48 : 76,760.01 = 30,129.27 : x
  2. Step 2: Convert to fraction form
    55,623.48/76,760.01 = 30,129.27/x
  3. Step 3: Cross multiply
    55,623.48x = 76,760.01 × 30,129.27
  4. Step 4: Simplify right side
    55,623.48x = 2,312,723,066.49
  5. Step 5: Solve for x
    x = 2,312,723,066.49/55,623.48
  6. Step 6: Final answer
    x = 41,578.18

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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.