Home / 92,048.04-138,247.11-57,231

Finding the Fourth Proportional to 92,048.04, 138,247.11 and 57,231

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Solution

The fourth proportional to 92,048.04, 138,247.11 and 57,231 is: 85,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,048.04 : 138,247.11 = 57,231 : x
  2. Step 2: Convert to fraction form
    92,048.04/138,247.11 = 57,231/x
  3. Step 3: Cross multiply
    92,048.04x = 138,247.11 × 57,231
  4. Step 4: Simplify right side
    92,048.04x = 7,912,020,352.41
  5. Step 5: Solve for x
    x = 7,912,020,352.41/92,048.04
  6. Step 6: Final answer
    x = 85,955.34

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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.