Home / 81,270.54-112,150.80-45,461.16

Finding the Fourth Proportional to 81,270.54, 112,150.80 and 45,461.16

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Solution

The fourth proportional to 81,270.54, 112,150.80 and 45,461.16 is: 62,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,270.54 : 112,150.80 = 45,461.16 : x
  2. Step 2: Convert to fraction form
    81,270.54/112,150.80 = 45,461.16/x
  3. Step 3: Cross multiply
    81,270.54x = 112,150.80 × 45,461.16
  4. Step 4: Simplify right side
    81,270.54x = 5,098,505,462.93
  5. Step 5: Solve for x
    x = 5,098,505,462.93/81,270.54
  6. Step 6: Final answer
    x = 62,734.98

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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.