Home / 36,070.28-54,108.49-9,419.80

Finding the Fourth Proportional to 36,070.28, 54,108.49 and 9,419.80

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Solution

The fourth proportional to 36,070.28, 54,108.49 and 9,419.80 is: 14,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.28 : 54,108.49 = 9,419.80 : x
  2. Step 2: Convert to fraction form
    36,070.28/54,108.49 = 9,419.80/x
  3. Step 3: Cross multiply
    36,070.28x = 54,108.49 × 9,419.80
  4. Step 4: Simplify right side
    36,070.28x = 509,690,995.28
  5. Step 5: Solve for x
    x = 509,690,995.28/36,070.28
  6. Step 6: Final answer
    x = 14,130.50

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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.