Home / 66,538.22-91,822.96-42,664.99

Finding the Fourth Proportional to 66,538.22, 91,822.96 and 42,664.99

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Solution

The fourth proportional to 66,538.22, 91,822.96 and 42,664.99 is: 58,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.22 : 91,822.96 = 42,664.99 : x
  2. Step 2: Convert to fraction form
    66,538.22/91,822.96 = 42,664.99/x
  3. Step 3: Cross multiply
    66,538.22x = 91,822.96 × 42,664.99
  4. Step 4: Simplify right side
    66,538.22x = 3,917,625,598.29
  5. Step 5: Solve for x
    x = 3,917,625,598.29/66,538.22
  6. Step 6: Final answer
    x = 58,877.82

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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.