Home / 85,600.13-118,137.02-49,302.78

Finding the Fourth Proportional to 85,600.13, 118,137.02 and 49,302.78

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Solution

The fourth proportional to 85,600.13, 118,137.02 and 49,302.78 is: 68,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,600.13 : 118,137.02 = 49,302.78 : x
  2. Step 2: Convert to fraction form
    85,600.13/118,137.02 = 49,302.78/x
  3. Step 3: Cross multiply
    85,600.13x = 118,137.02 × 49,302.78
  4. Step 4: Simplify right side
    85,600.13x = 5,824,482,817.39
  5. Step 5: Solve for x
    x = 5,824,482,817.39/85,600.13
  6. Step 6: Final answer
    x = 68,042.92

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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.