Home / 61,106.58-91,747.35-45,360.18

Finding the Fourth Proportional to 61,106.58, 91,747.35 and 45,360.18

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Solution

The fourth proportional to 61,106.58, 91,747.35 and 45,360.18 is: 68,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,106.58 : 91,747.35 = 45,360.18 : x
  2. Step 2: Convert to fraction form
    61,106.58/91,747.35 = 45,360.18/x
  3. Step 3: Cross multiply
    61,106.58x = 91,747.35 × 45,360.18
  4. Step 4: Simplify right side
    61,106.58x = 4,161,676,310.52
  5. Step 5: Solve for x
    x = 4,161,676,310.52/61,106.58
  6. Step 6: Final answer
    x = 68,105.21

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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.