Home / 62,079.22-85,643.19-39,068.28

Finding the Fourth Proportional to 62,079.22, 85,643.19 and 39,068.28

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Solution

The fourth proportional to 62,079.22, 85,643.19 and 39,068.28 is: 53,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,079.22 : 85,643.19 = 39,068.28 : x
  2. Step 2: Convert to fraction form
    62,079.22/85,643.19 = 39,068.28/x
  3. Step 3: Cross multiply
    62,079.22x = 85,643.19 × 39,068.28
  4. Step 4: Simplify right side
    62,079.22x = 3,345,932,127.01
  5. Step 5: Solve for x
    x = 3,345,932,127.01/62,079.22
  6. Step 6: Final answer
    x = 53,897.78

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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.