Home / 61,729.08-92,627.94-30,139.53

Finding the Fourth Proportional to 61,729.08, 92,627.94 and 30,139.53

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Solution

The fourth proportional to 61,729.08, 92,627.94 and 30,139.53 is: 45,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,729.08 : 92,627.94 = 30,139.53 : x
  2. Step 2: Convert to fraction form
    61,729.08/92,627.94 = 30,139.53/x
  3. Step 3: Cross multiply
    61,729.08x = 92,627.94 × 30,139.53
  4. Step 4: Simplify right side
    61,729.08x = 2,791,762,576.47
  5. Step 5: Solve for x
    x = 2,791,762,576.47/61,729.08
  6. Step 6: Final answer
    x = 45,226.05

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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.