Home / 66,913.11-92,108.30-57,834.30

Finding the Fourth Proportional to 66,913.11, 92,108.30 and 57,834.30

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Solution

The fourth proportional to 66,913.11, 92,108.30 and 57,834.30 is: 79,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.11 : 92,108.30 = 57,834.30 : x
  2. Step 2: Convert to fraction form
    66,913.11/92,108.30 = 57,834.30/x
  3. Step 3: Cross multiply
    66,913.11x = 92,108.30 × 57,834.30
  4. Step 4: Simplify right side
    66,913.11x = 5,327,018,765.52
  5. Step 5: Solve for x
    x = 5,327,018,765.52/66,913.11
  6. Step 6: Final answer
    x = 79,610.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.