Home / 76,948.60-115,466.10-32,567.80

Finding the Fourth Proportional to 76,948.60, 115,466.10 and 32,567.80

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Solution

The fourth proportional to 76,948.60, 115,466.10 and 32,567.80 is: 48,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948.60 : 115,466.10 = 32,567.80 : x
  2. Step 2: Convert to fraction form
    76,948.60/115,466.10 = 32,567.80/x
  3. Step 3: Cross multiply
    76,948.60x = 115,466.10 × 32,567.80
  4. Step 4: Simplify right side
    76,948.60x = 3,760,476,851.58
  5. Step 5: Solve for x
    x = 3,760,476,851.58/76,948.60
  6. Step 6: Final answer
    x = 48,869.98

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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.