Home / 85,626.32-118,188.11-49,823.28

Finding the Fourth Proportional to 85,626.32, 118,188.11 and 49,823.28

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Solution

The fourth proportional to 85,626.32, 118,188.11 and 49,823.28 is: 68,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,626.32 : 118,188.11 = 49,823.28 : x
  2. Step 2: Convert to fraction form
    85,626.32/118,188.11 = 49,823.28/x
  3. Step 3: Cross multiply
    85,626.32x = 118,188.11 × 49,823.28
  4. Step 4: Simplify right side
    85,626.32x = 5,888,519,048.08
  5. Step 5: Solve for x
    x = 5,888,519,048.08/85,626.32
  6. Step 6: Final answer
    x = 68,769.96

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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.