Home / 61,031.14-91,421.97-45,253.96

Finding the Fourth Proportional to 61,031.14, 91,421.97 and 45,253.96

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Solution

The fourth proportional to 61,031.14, 91,421.97 and 45,253.96 is: 67,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,031.14 : 91,421.97 = 45,253.96 : x
  2. Step 2: Convert to fraction form
    61,031.14/91,421.97 = 45,253.96/x
  3. Step 3: Cross multiply
    61,031.14x = 91,421.97 × 45,253.96
  4. Step 4: Simplify right side
    61,031.14x = 4,137,206,173.50
  5. Step 5: Solve for x
    x = 4,137,206,173.50/61,031.14
  6. Step 6: Final answer
    x = 67,788.45

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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.