Home / 76,839.40-115,274.76-32,466.16

Finding the Fourth Proportional to 76,839.40, 115,274.76 and 32,466.16

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Solution

The fourth proportional to 76,839.40, 115,274.76 and 32,466.16 is: 48,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,839.40 : 115,274.76 = 32,466.16 : x
  2. Step 2: Convert to fraction form
    76,839.40/115,274.76 = 32,466.16/x
  3. Step 3: Cross multiply
    76,839.40x = 115,274.76 × 32,466.16
  4. Step 4: Simplify right side
    76,839.40x = 3,742,528,802.12
  5. Step 5: Solve for x
    x = 3,742,528,802.12/76,839.40
  6. Step 6: Final answer
    x = 48,705.86

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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.