Home / 86,741.79-119,702.12-49,015.23

Finding the Fourth Proportional to 86,741.79, 119,702.12 and 49,015.23

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Solution

The fourth proportional to 86,741.79, 119,702.12 and 49,015.23 is: 67,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,741.79 : 119,702.12 = 49,015.23 : x
  2. Step 2: Convert to fraction form
    86,741.79/119,702.12 = 49,015.23/x
  3. Step 3: Cross multiply
    86,741.79x = 119,702.12 × 49,015.23
  4. Step 4: Simplify right side
    86,741.79x = 5,867,226,698.21
  5. Step 5: Solve for x
    x = 5,867,226,698.21/86,741.79
  6. Step 6: Final answer
    x = 67,640.14

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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.