Home / 97,349.90-134,403.68-74,645.27

Finding the Fourth Proportional to 97,349.90, 134,403.68 and 74,645.27

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Solution

The fourth proportional to 97,349.90, 134,403.68 and 74,645.27 is: 103,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,349.90 : 134,403.68 = 74,645.27 : x
  2. Step 2: Convert to fraction form
    97,349.90/134,403.68 = 74,645.27/x
  3. Step 3: Cross multiply
    97,349.90x = 134,403.68 × 74,645.27
  4. Step 4: Simplify right side
    97,349.90x = 10,032,598,945.38
  5. Step 5: Solve for x
    x = 10,032,598,945.38/97,349.90
  6. Step 6: Final answer
    x = 103,057.11

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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.