Home / 86,125.77-118,862.91-50,327.82

Finding the Fourth Proportional to 86,125.77, 118,862.91 and 50,327.82

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Solution

The fourth proportional to 86,125.77, 118,862.91 and 50,327.82 is: 69,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.77 : 118,862.91 = 50,327.82 : x
  2. Step 2: Convert to fraction form
    86,125.77/118,862.91 = 50,327.82/x
  3. Step 3: Cross multiply
    86,125.77x = 118,862.91 × 50,327.82
  4. Step 4: Simplify right side
    86,125.77x = 5,982,111,139.16
  5. Step 5: Solve for x
    x = 5,982,111,139.16/86,125.77
  6. Step 6: Final answer
    x = 69,457.85

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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.