Home / 62,516.22-86,312.62-55,790.29

Finding the Fourth Proportional to 62,516.22, 86,312.62 and 55,790.29

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Solution

The fourth proportional to 62,516.22, 86,312.62 and 55,790.29 is: 77,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,516.22 : 86,312.62 = 55,790.29 : x
  2. Step 2: Convert to fraction form
    62,516.22/86,312.62 = 55,790.29/x
  3. Step 3: Cross multiply
    62,516.22x = 86,312.62 × 55,790.29
  4. Step 4: Simplify right side
    62,516.22x = 4,815,406,100.46
  5. Step 5: Solve for x
    x = 4,815,406,100.46/62,516.22
  6. Step 6: Final answer
    x = 77,026.51

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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.