Home / 85,322.39-117,694.08-53,435.93

Finding the Fourth Proportional to 85,322.39, 117,694.08 and 53,435.93

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Solution

The fourth proportional to 85,322.39, 117,694.08 and 53,435.93 is: 73,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,322.39 : 117,694.08 = 53,435.93 : x
  2. Step 2: Convert to fraction form
    85,322.39/117,694.08 = 53,435.93/x
  3. Step 3: Cross multiply
    85,322.39x = 117,694.08 × 53,435.93
  4. Step 4: Simplify right side
    85,322.39x = 6,289,092,031.82
  5. Step 5: Solve for x
    x = 6,289,092,031.82/85,322.39
  6. Step 6: Final answer
    x = 73,709.75

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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.