Home / 85,867.26-118,549.35-68,034.30

Finding the Fourth Proportional to 85,867.26, 118,549.35 and 68,034.30

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Solution

The fourth proportional to 85,867.26, 118,549.35 and 68,034.30 is: 93,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,867.26 : 118,549.35 = 68,034.30 : x
  2. Step 2: Convert to fraction form
    85,867.26/118,549.35 = 68,034.30/x
  3. Step 3: Cross multiply
    85,867.26x = 118,549.35 × 68,034.30
  4. Step 4: Simplify right side
    85,867.26x = 8,065,422,042.71
  5. Step 5: Solve for x
    x = 8,065,422,042.71/85,867.26
  6. Step 6: Final answer
    x = 93,928.96

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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.