Home / 79,948.42-110,368.58-49,743.52

Finding the Fourth Proportional to 79,948.42, 110,368.58 and 49,743.52

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Solution

The fourth proportional to 79,948.42, 110,368.58 and 49,743.52 is: 68,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,948.42 : 110,368.58 = 49,743.52 : x
  2. Step 2: Convert to fraction form
    79,948.42/110,368.58 = 49,743.52/x
  3. Step 3: Cross multiply
    79,948.42x = 110,368.58 × 49,743.52
  4. Step 4: Simplify right side
    79,948.42x = 5,490,121,141.96
  5. Step 5: Solve for x
    x = 5,490,121,141.96/79,948.42
  6. Step 6: Final answer
    x = 68,670.79

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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.