Home / 85,857.90-118,486.98-50,042.14

Finding the Fourth Proportional to 85,857.90, 118,486.98 and 50,042.14

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Solution

The fourth proportional to 85,857.90, 118,486.98 and 50,042.14 is: 69,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,857.90 : 118,486.98 = 50,042.14 : x
  2. Step 2: Convert to fraction form
    85,857.90/118,486.98 = 50,042.14/x
  3. Step 3: Cross multiply
    85,857.90x = 118,486.98 × 50,042.14
  4. Step 4: Simplify right side
    85,857.90x = 5,929,342,041.34
  5. Step 5: Solve for x
    x = 5,929,342,041.34/85,857.90
  6. Step 6: Final answer
    x = 69,059.95

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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.