Home / 85,740.40-118,292.97-49,922.74

Finding the Fourth Proportional to 85,740.40, 118,292.97 and 49,922.74

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Solution

The fourth proportional to 85,740.40, 118,292.97 and 49,922.74 is: 68,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,740.40 : 118,292.97 = 49,922.74 : x
  2. Step 2: Convert to fraction form
    85,740.40/118,292.97 = 49,922.74/x
  3. Step 3: Cross multiply
    85,740.40x = 118,292.97 × 49,922.74
  4. Step 4: Simplify right side
    85,740.40x = 5,905,509,185.14
  5. Step 5: Solve for x
    x = 5,905,509,185.14/85,740.40
  6. Step 6: Final answer
    x = 68,876.62

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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.