Home / 90,051.10-124,270.90-49,216.06

Finding the Fourth Proportional to 90,051.10, 124,270.90 and 49,216.06

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Solution

The fourth proportional to 90,051.10, 124,270.90 and 49,216.06 is: 67,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,051.10 : 124,270.90 = 49,216.06 : x
  2. Step 2: Convert to fraction form
    90,051.10/124,270.90 = 49,216.06/x
  3. Step 3: Cross multiply
    90,051.10x = 124,270.90 × 49,216.06
  4. Step 4: Simplify right side
    90,051.10x = 6,116,123,680.77
  5. Step 5: Solve for x
    x = 6,116,123,680.77/90,051.10
  6. Step 6: Final answer
    x = 67,918.36

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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.