Home / 85,010.58-117,312.71-49,199.87

Finding the Fourth Proportional to 85,010.58, 117,312.71 and 49,199.87

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Solution

The fourth proportional to 85,010.58, 117,312.71 and 49,199.87 is: 67,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,010.58 : 117,312.71 = 49,199.87 : x
  2. Step 2: Convert to fraction form
    85,010.58/117,312.71 = 49,199.87/x
  3. Step 3: Cross multiply
    85,010.58x = 117,312.71 × 49,199.87
  4. Step 4: Simplify right side
    85,010.58x = 5,771,770,128.63
  5. Step 5: Solve for x
    x = 5,771,770,128.63/85,010.58
  6. Step 6: Final answer
    x = 67,894.73

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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.