Home / 85,846.32-118,492.74-55,630.62

Finding the Fourth Proportional to 85,846.32, 118,492.74 and 55,630.62

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Solution

The fourth proportional to 85,846.32, 118,492.74 and 55,630.62 is: 76,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,846.32 : 118,492.74 = 55,630.62 : x
  2. Step 2: Convert to fraction form
    85,846.32/118,492.74 = 55,630.62/x
  3. Step 3: Cross multiply
    85,846.32x = 118,492.74 × 55,630.62
  4. Step 4: Simplify right side
    85,846.32x = 6,591,824,591.70
  5. Step 5: Solve for x
    x = 6,591,824,591.70/85,846.32
  6. Step 6: Final answer
    x = 76,786.34

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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.