Home / 85,681.73-118,224.37-55,462.86

Finding the Fourth Proportional to 85,681.73, 118,224.37 and 55,462.86

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Solution

The fourth proportional to 85,681.73, 118,224.37 and 55,462.86 is: 76,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,681.73 : 118,224.37 = 55,462.86 : x
  2. Step 2: Convert to fraction form
    85,681.73/118,224.37 = 55,462.86/x
  3. Step 3: Cross multiply
    85,681.73x = 118,224.37 × 55,462.86
  4. Step 4: Simplify right side
    85,681.73x = 6,557,061,681.90
  5. Step 5: Solve for x
    x = 6,557,061,681.90/85,681.73
  6. Step 6: Final answer
    x = 76,528.12

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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.