Home / 76,839.48-115,271.16-32,466.45

Finding the Fourth Proportional to 76,839.48, 115,271.16 and 32,466.45

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Solution

The fourth proportional to 76,839.48, 115,271.16 and 32,466.45 is: 48,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,839.48 : 115,271.16 = 32,466.45 : x
  2. Step 2: Convert to fraction form
    76,839.48/115,271.16 = 32,466.45/x
  3. Step 3: Cross multiply
    76,839.48x = 115,271.16 × 32,466.45
  4. Step 4: Simplify right side
    76,839.48x = 3,742,445,352.58
  5. Step 5: Solve for x
    x = 3,742,445,352.58/76,839.48
  6. Step 6: Final answer
    x = 48,704.72

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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.