Home / 85,680.32-118,240.44-47,954.48

Finding the Fourth Proportional to 85,680.32, 118,240.44 and 47,954.48

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Solution

The fourth proportional to 85,680.32, 118,240.44 and 47,954.48 is: 66,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,680.32 : 118,240.44 = 47,954.48 : x
  2. Step 2: Convert to fraction form
    85,680.32/118,240.44 = 47,954.48/x
  3. Step 3: Cross multiply
    85,680.32x = 118,240.44 × 47,954.48
  4. Step 4: Simplify right side
    85,680.32x = 5,670,158,815.17
  5. Step 5: Solve for x
    x = 5,670,158,815.17/85,680.32
  6. Step 6: Final answer
    x = 66,178.08

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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.