Home / 114,988.36-172,488.69-36,108.74

Finding the Fourth Proportional to 114,988.36, 172,488.69 and 36,108.74

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Solution

The fourth proportional to 114,988.36, 172,488.69 and 36,108.74 is: 54,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,988.36 : 172,488.69 = 36,108.74 : x
  2. Step 2: Convert to fraction form
    114,988.36/172,488.69 = 36,108.74/x
  3. Step 3: Cross multiply
    114,988.36x = 172,488.69 × 36,108.74
  4. Step 4: Simplify right side
    114,988.36x = 6,228,348,721.12
  5. Step 5: Solve for x
    x = 6,228,348,721.12/114,988.36
  6. Step 6: Final answer
    x = 54,165.04

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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.