Home / 124,515.12-186,772.48-45,635.52

Finding the Fourth Proportional to 124,515.12, 186,772.48 and 45,635.52

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Solution

The fourth proportional to 124,515.12, 186,772.48 and 45,635.52 is: 68,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.12 : 186,772.48 = 45,635.52 : x
  2. Step 2: Convert to fraction form
    124,515.12/186,772.48 = 45,635.52/x
  3. Step 3: Cross multiply
    124,515.12x = 186,772.48 × 45,635.52
  4. Step 4: Simplify right side
    124,515.12x = 8,523,459,246.49
  5. Step 5: Solve for x
    x = 8,523,459,246.49/124,515.12
  6. Step 6: Final answer
    x = 68,453.21

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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.