Home / 56,175.72-77,523.08-30,682.81

Finding the Fourth Proportional to 56,175.72, 77,523.08 and 30,682.81

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Solution

The fourth proportional to 56,175.72, 77,523.08 and 30,682.81 is: 42,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,175.72 : 77,523.08 = 30,682.81 : x
  2. Step 2: Convert to fraction form
    56,175.72/77,523.08 = 30,682.81/x
  3. Step 3: Cross multiply
    56,175.72x = 77,523.08 × 30,682.81
  4. Step 4: Simplify right side
    56,175.72x = 2,378,625,934.25
  5. Step 5: Solve for x
    x = 2,378,625,934.25/56,175.72
  6. Step 6: Final answer
    x = 42,342.60

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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.