Home / 55,031.06-82,543.73-15,588.32

Finding the Fourth Proportional to 55,031.06, 82,543.73 and 15,588.32

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Solution

The fourth proportional to 55,031.06, 82,543.73 and 15,588.32 is: 23,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.06 : 82,543.73 = 15,588.32 : x
  2. Step 2: Convert to fraction form
    55,031.06/82,543.73 = 15,588.32/x
  3. Step 3: Cross multiply
    55,031.06x = 82,543.73 × 15,588.32
  4. Step 4: Simplify right side
    55,031.06x = 1,286,717,586.57
  5. Step 5: Solve for x
    x = 1,286,717,586.57/55,031.06
  6. Step 6: Final answer
    x = 23,381.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.