Home / 86,246.90-119,017.79-48,513.86

Finding the Fourth Proportional to 86,246.90, 119,017.79 and 48,513.86

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Solution

The fourth proportional to 86,246.90, 119,017.79 and 48,513.86 is: 66,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,246.90 : 119,017.79 = 48,513.86 : x
  2. Step 2: Convert to fraction form
    86,246.90/119,017.79 = 48,513.86/x
  3. Step 3: Cross multiply
    86,246.90x = 119,017.79 × 48,513.86
  4. Step 4: Simplify right side
    86,246.90x = 5,774,011,563.91
  5. Step 5: Solve for x
    x = 5,774,011,563.91/86,246.90
  6. Step 6: Final answer
    x = 66,947.47

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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.