Home / 85,632.10-118,197.57-49,838.02

Finding the Fourth Proportional to 85,632.10, 118,197.57 and 49,838.02

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Solution

The fourth proportional to 85,632.10, 118,197.57 and 49,838.02 is: 68,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,632.10 : 118,197.57 = 49,838.02 : x
  2. Step 2: Convert to fraction form
    85,632.10/118,197.57 = 49,838.02/x
  3. Step 3: Cross multiply
    85,632.10x = 118,197.57 × 49,838.02
  4. Step 4: Simplify right side
    85,632.10x = 5,890,732,857.61
  5. Step 5: Solve for x
    x = 5,890,732,857.61/85,632.10
  6. Step 6: Final answer
    x = 68,791.18

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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.