Home / 55,127.16-82,693.98-15,681.42

Finding the Fourth Proportional to 55,127.16, 82,693.98 and 15,681.42

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Solution

The fourth proportional to 55,127.16, 82,693.98 and 15,681.42 is: 23,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,127.16 : 82,693.98 = 15,681.42 : x
  2. Step 2: Convert to fraction form
    55,127.16/82,693.98 = 15,681.42/x
  3. Step 3: Cross multiply
    55,127.16x = 82,693.98 × 15,681.42
  4. Step 4: Simplify right side
    55,127.16x = 1,296,759,031.85
  5. Step 5: Solve for x
    x = 1,296,759,031.85/55,127.16
  6. Step 6: Final answer
    x = 23,523.05

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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.