Home / 55,343.08-76,373.34-30,192.58

Finding the Fourth Proportional to 55,343.08, 76,373.34 and 30,192.58

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Solution

The fourth proportional to 55,343.08, 76,373.34 and 30,192.58 is: 41,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.08 : 76,373.34 = 30,192.58 : x
  2. Step 2: Convert to fraction form
    55,343.08/76,373.34 = 30,192.58/x
  3. Step 3: Cross multiply
    55,343.08x = 76,373.34 × 30,192.58
  4. Step 4: Simplify right side
    55,343.08x = 2,305,908,177.82
  5. Step 5: Solve for x
    x = 2,305,908,177.82/55,343.08
  6. Step 6: Final answer
    x = 41,665.70

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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.