Home / 85,933.12-118,579.74-48,200.08

Finding the Fourth Proportional to 85,933.12, 118,579.74 and 48,200.08

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Solution

The fourth proportional to 85,933.12, 118,579.74 and 48,200.08 is: 66,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,933.12 : 118,579.74 = 48,200.08 : x
  2. Step 2: Convert to fraction form
    85,933.12/118,579.74 = 48,200.08/x
  3. Step 3: Cross multiply
    85,933.12x = 118,579.74 × 48,200.08
  4. Step 4: Simplify right side
    85,933.12x = 5,715,552,954.38
  5. Step 5: Solve for x
    x = 5,715,552,954.38/85,933.12
  6. Step 6: Final answer
    x = 66,511.64

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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.