Home / 84,027.86-125,973.31-39,077.57

Finding the Fourth Proportional to 84,027.86, 125,973.31 and 39,077.57

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Solution

The fourth proportional to 84,027.86, 125,973.31 and 39,077.57 is: 58,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,027.86 : 125,973.31 = 39,077.57 : x
  2. Step 2: Convert to fraction form
    84,027.86/125,973.31 = 39,077.57/x
  3. Step 3: Cross multiply
    84,027.86x = 125,973.31 × 39,077.57
  4. Step 4: Simplify right side
    84,027.86x = 4,922,730,839.66
  5. Step 5: Solve for x
    x = 4,922,730,839.66/84,027.86
  6. Step 6: Final answer
    x = 58,584.51

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1.5x scale

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.