Home / 97,346.86-146,021.38-30,785.38

Finding the Fourth Proportional to 97,346.86, 146,021.38 and 30,785.38

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Solution

The fourth proportional to 97,346.86, 146,021.38 and 30,785.38 is: 46,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,346.86 : 146,021.38 = 30,785.38 : x
  2. Step 2: Convert to fraction form
    97,346.86/146,021.38 = 30,785.38/x
  3. Step 3: Cross multiply
    97,346.86x = 146,021.38 × 30,785.38
  4. Step 4: Simplify right side
    97,346.86x = 4,495,323,671.42
  5. Step 5: Solve for x
    x = 4,495,323,671.42/97,346.86
  6. Step 6: Final answer
    x = 46,178.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.