Home / 85,808.16-118,418.76-48,084.84

Finding the Fourth Proportional to 85,808.16, 118,418.76 and 48,084.84

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Solution

The fourth proportional to 85,808.16, 118,418.76 and 48,084.84 is: 66,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,808.16 : 118,418.76 = 48,084.84 : x
  2. Step 2: Convert to fraction form
    85,808.16/118,418.76 = 48,084.84/x
  3. Step 3: Cross multiply
    85,808.16x = 118,418.76 × 48,084.84
  4. Step 4: Simplify right side
    85,808.16x = 5,694,147,127.60
  5. Step 5: Solve for x
    x = 5,694,147,127.60/85,808.16
  6. Step 6: Final answer
    x = 66,359.04

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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.