Home / 45,205.16-67,812.28-11,927.52

Finding the Fourth Proportional to 45,205.16, 67,812.28 and 11,927.52

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Solution

The fourth proportional to 45,205.16, 67,812.28 and 11,927.52 is: 17,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.16 : 67,812.28 = 11,927.52 : x
  2. Step 2: Convert to fraction form
    45,205.16/67,812.28 = 11,927.52/x
  3. Step 3: Cross multiply
    45,205.16x = 67,812.28 × 11,927.52
  4. Step 4: Simplify right side
    45,205.16x = 808,832,325.95
  5. Step 5: Solve for x
    x = 808,832,325.95/45,205.16
  6. Step 6: Final answer
    x = 17,892.48

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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.