Home / 81,835.56-112,937.73-54,564.60

Finding the Fourth Proportional to 81,835.56, 112,937.73 and 54,564.60

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Solution

The fourth proportional to 81,835.56, 112,937.73 and 54,564.60 is: 75,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,835.56 : 112,937.73 = 54,564.60 : x
  2. Step 2: Convert to fraction form
    81,835.56/112,937.73 = 54,564.60/x
  3. Step 3: Cross multiply
    81,835.56x = 112,937.73 × 54,564.60
  4. Step 4: Simplify right side
    81,835.56x = 6,162,402,062.36
  5. Step 5: Solve for x
    x = 6,162,402,062.36/81,835.56
  6. Step 6: Final answer
    x = 75,302.25

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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.