Home / 97,834.36-135,009.02-54,815.64

Finding the Fourth Proportional to 97,834.36, 135,009.02 and 54,815.64

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Solution

The fourth proportional to 97,834.36, 135,009.02 and 54,815.64 is: 75,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,834.36 : 135,009.02 = 54,815.64 : x
  2. Step 2: Convert to fraction form
    97,834.36/135,009.02 = 54,815.64/x
  3. Step 3: Cross multiply
    97,834.36x = 135,009.02 × 54,815.64
  4. Step 4: Simplify right side
    97,834.36x = 7,400,605,837.07
  5. Step 5: Solve for x
    x = 7,400,605,837.07/97,834.36
  6. Step 6: Final answer
    x = 75,644.24

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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.