Home / 122,017.72-182,983.70-36,603.11

Finding the Fourth Proportional to 122,017.72, 182,983.70 and 36,603.11

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Solution

The fourth proportional to 122,017.72, 182,983.70 and 36,603.11 is: 54,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,017.72 : 182,983.70 = 36,603.11 : x
  2. Step 2: Convert to fraction form
    122,017.72/182,983.70 = 36,603.11/x
  3. Step 3: Cross multiply
    122,017.72x = 182,983.70 × 36,603.11
  4. Step 4: Simplify right side
    122,017.72x = 6,697,772,590.81
  5. Step 5: Solve for x
    x = 6,697,772,590.81/122,017.72
  6. Step 6: Final answer
    x = 54,891.80

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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.