Home / 92,635.36-139,139.02-55,268.34

Finding the Fourth Proportional to 92,635.36, 139,139.02 and 55,268.34

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Solution

The fourth proportional to 92,635.36, 139,139.02 and 55,268.34 is: 83,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,635.36 : 139,139.02 = 55,268.34 : x
  2. Step 2: Convert to fraction form
    92,635.36/139,139.02 = 55,268.34/x
  3. Step 3: Cross multiply
    92,635.36x = 139,139.02 × 55,268.34
  4. Step 4: Simplify right side
    92,635.36x = 7,689,982,664.63
  5. Step 5: Solve for x
    x = 7,689,982,664.63/92,635.36
  6. Step 6: Final answer
    x = 83,013.47

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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.