Home / 55,070.70-75,996.63-29,920.02

Finding the Fourth Proportional to 55,070.70, 75,996.63 and 29,920.02

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Solution

The fourth proportional to 55,070.70, 75,996.63 and 29,920.02 is: 41,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,070.70 : 75,996.63 = 29,920.02 : x
  2. Step 2: Convert to fraction form
    55,070.70/75,996.63 = 29,920.02/x
  3. Step 3: Cross multiply
    55,070.70x = 75,996.63 × 29,920.02
  4. Step 4: Simplify right side
    55,070.70x = 2,273,820,689.53
  5. Step 5: Solve for x
    x = 2,273,820,689.53/55,070.70
  6. Step 6: Final answer
    x = 41,289.12

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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.