Home / 55,372.85-76,421.84-31,494.92

Finding the Fourth Proportional to 55,372.85, 76,421.84 and 31,494.92

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Solution

The fourth proportional to 55,372.85, 76,421.84 and 31,494.92 is: 43,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,372.85 : 76,421.84 = 31,494.92 : x
  2. Step 2: Convert to fraction form
    55,372.85/76,421.84 = 31,494.92/x
  3. Step 3: Cross multiply
    55,372.85x = 76,421.84 × 31,494.92
  4. Step 4: Simplify right side
    55,372.85x = 2,406,899,197.47
  5. Step 5: Solve for x
    x = 2,406,899,197.47/55,372.85
  6. Step 6: Final answer
    x = 43,467.14

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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.