Home / 55,976.72-77,241.76-33,312.57

Finding the Fourth Proportional to 55,976.72, 77,241.76 and 33,312.57

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Solution

The fourth proportional to 55,976.72, 77,241.76 and 33,312.57 is: 45,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,976.72 : 77,241.76 = 33,312.57 : x
  2. Step 2: Convert to fraction form
    55,976.72/77,241.76 = 33,312.57/x
  3. Step 3: Cross multiply
    55,976.72x = 77,241.76 × 33,312.57
  4. Step 4: Simplify right side
    55,976.72x = 2,573,121,398.21
  5. Step 5: Solve for x
    x = 2,573,121,398.21/55,976.72
  6. Step 6: Final answer
    x = 45,967.71

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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.