Home / 55,399.22-76,412.13-37,486.34

Finding the Fourth Proportional to 55,399.22, 76,412.13 and 37,486.34

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Solution

The fourth proportional to 55,399.22, 76,412.13 and 37,486.34 is: 51,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399.22 : 76,412.13 = 37,486.34 : x
  2. Step 2: Convert to fraction form
    55,399.22/76,412.13 = 37,486.34/x
  3. Step 3: Cross multiply
    55,399.22x = 76,412.13 × 37,486.34
  4. Step 4: Simplify right side
    55,399.22x = 2,864,411,085.30
  5. Step 5: Solve for x
    x = 2,864,411,085.30/55,399.22
  6. Step 6: Final answer
    x = 51,704.90

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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.