Home / 85,961.52-118,627.08-47,721.62

Finding the Fourth Proportional to 85,961.52, 118,627.08 and 47,721.62

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Solution

The fourth proportional to 85,961.52, 118,627.08 and 47,721.62 is: 65,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,961.52 : 118,627.08 = 47,721.62 : x
  2. Step 2: Convert to fraction form
    85,961.52/118,627.08 = 47,721.62/x
  3. Step 3: Cross multiply
    85,961.52x = 118,627.08 × 47,721.62
  4. Step 4: Simplify right side
    85,961.52x = 5,661,076,433.47
  5. Step 5: Solve for x
    x = 5,661,076,433.47/85,961.52
  6. Step 6: Final answer
    x = 65,855.94

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1.5x scale

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.