Home / 79,454.07-109,654.25-45,455.81

Finding the Fourth Proportional to 79,454.07, 109,654.25 and 45,455.81

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Solution

The fourth proportional to 79,454.07, 109,654.25 and 45,455.81 is: 62,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,454.07 : 109,654.25 = 45,455.81 : x
  2. Step 2: Convert to fraction form
    79,454.07/109,654.25 = 45,455.81/x
  3. Step 3: Cross multiply
    79,454.07x = 109,654.25 × 45,455.81
  4. Step 4: Simplify right side
    79,454.07x = 4,984,421,978.14
  5. Step 5: Solve for x
    x = 4,984,421,978.14/79,454.07
  6. Step 6: Final answer
    x = 62,733.38

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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.