Home / 79,239.54-118,898.01-34,860.75

Finding the Fourth Proportional to 79,239.54, 118,898.01 and 34,860.75

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Solution

The fourth proportional to 79,239.54, 118,898.01 and 34,860.75 is: 52,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,239.54 : 118,898.01 = 34,860.75 : x
  2. Step 2: Convert to fraction form
    79,239.54/118,898.01 = 34,860.75/x
  3. Step 3: Cross multiply
    79,239.54x = 118,898.01 × 34,860.75
  4. Step 4: Simplify right side
    79,239.54x = 4,144,873,802.11
  5. Step 5: Solve for x
    x = 4,144,873,802.11/79,239.54
  6. Step 6: Final answer
    x = 52,308.15

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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.