Home / 55,232.08-76,220.24-30,081.76

Finding the Fourth Proportional to 55,232.08, 76,220.24 and 30,081.76

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Solution

The fourth proportional to 55,232.08, 76,220.24 and 30,081.76 is: 41,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.08 : 76,220.24 = 30,081.76 : x
  2. Step 2: Convert to fraction form
    55,232.08/76,220.24 = 30,081.76/x
  3. Step 3: Cross multiply
    55,232.08x = 76,220.24 × 30,081.76
  4. Step 4: Simplify right side
    55,232.08x = 2,292,838,966.82
  5. Step 5: Solve for x
    x = 2,292,838,966.82/55,232.08
  6. Step 6: Final answer
    x = 41,512.81

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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.