Home / 45,275.70-67,920.02-14,113.38

Finding the Fourth Proportional to 45,275.70, 67,920.02 and 14,113.38

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Solution

The fourth proportional to 45,275.70, 67,920.02 and 14,113.38 is: 21,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,275.70 : 67,920.02 = 14,113.38 : x
  2. Step 2: Convert to fraction form
    45,275.70/67,920.02 = 14,113.38/x
  3. Step 3: Cross multiply
    45,275.70x = 67,920.02 × 14,113.38
  4. Step 4: Simplify right side
    45,275.70x = 958,581,051.87
  5. Step 5: Solve for x
    x = 958,581,051.87/45,275.70
  6. Step 6: Final answer
    x = 21,172.09

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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.