Home / 84,943.77-127,409.14-25,779.75

Finding the Fourth Proportional to 84,943.77, 127,409.14 and 25,779.75

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Solution

The fourth proportional to 84,943.77, 127,409.14 and 25,779.75 is: 38,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,943.77 : 127,409.14 = 25,779.75 : x
  2. Step 2: Convert to fraction form
    84,943.77/127,409.14 = 25,779.75/x
  3. Step 3: Cross multiply
    84,943.77x = 127,409.14 × 25,779.75
  4. Step 4: Simplify right side
    84,943.77x = 3,284,575,776.92
  5. Step 5: Solve for x
    x = 3,284,575,776.92/84,943.77
  6. Step 6: Final answer
    x = 38,667.65

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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.