Home / 85,383.17-117,904.61-53,173.10

Finding the Fourth Proportional to 85,383.17, 117,904.61 and 53,173.10

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Solution

The fourth proportional to 85,383.17, 117,904.61 and 53,173.10 is: 73,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,383.17 : 117,904.61 = 53,173.10 : x
  2. Step 2: Convert to fraction form
    85,383.17/117,904.61 = 53,173.10/x
  3. Step 3: Cross multiply
    85,383.17x = 117,904.61 × 53,173.10
  4. Step 4: Simplify right side
    85,383.17x = 6,269,354,045.69
  5. Step 5: Solve for x
    x = 6,269,354,045.69/85,383.17
  6. Step 6: Final answer
    x = 73,426.11

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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.