Home / 86,026.50-118,716.57-48,300.75

Finding the Fourth Proportional to 86,026.50, 118,716.57 and 48,300.75

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Solution

The fourth proportional to 86,026.50, 118,716.57 and 48,300.75 is: 66,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,026.50 : 118,716.57 = 48,300.75 : x
  2. Step 2: Convert to fraction form
    86,026.50/118,716.57 = 48,300.75/x
  3. Step 3: Cross multiply
    86,026.50x = 118,716.57 × 48,300.75
  4. Step 4: Simplify right side
    86,026.50x = 5,734,099,368.43
  5. Step 5: Solve for x
    x = 5,734,099,368.43/86,026.50
  6. Step 6: Final answer
    x = 66,655.04

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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.