Home / 51,099.75-76,646.45-19,072.58

Finding the Fourth Proportional to 51,099.75, 76,646.45 and 19,072.58

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Solution

The fourth proportional to 51,099.75, 76,646.45 and 19,072.58 is: 28,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,099.75 : 76,646.45 = 19,072.58 : x
  2. Step 2: Convert to fraction form
    51,099.75/76,646.45 = 19,072.58/x
  3. Step 3: Cross multiply
    51,099.75x = 76,646.45 × 19,072.58
  4. Step 4: Simplify right side
    51,099.75x = 1,461,845,549.34
  5. Step 5: Solve for x
    x = 1,461,845,549.34/51,099.75
  6. Step 6: Final answer
    x = 28,607.68

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1.5x scale

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.