Home / 85,949.25-128,975.73-36,701.25

Finding the Fourth Proportional to 85,949.25, 128,975.73 and 36,701.25

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Solution

The fourth proportional to 85,949.25, 128,975.73 and 36,701.25 is: 55,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,949.25 : 128,975.73 = 36,701.25 : x
  2. Step 2: Convert to fraction form
    85,949.25/128,975.73 = 36,701.25/x
  3. Step 3: Cross multiply
    85,949.25x = 128,975.73 × 36,701.25
  4. Step 4: Simplify right side
    85,949.25x = 4,733,570,510.66
  5. Step 5: Solve for x
    x = 4,733,570,510.66/85,949.25
  6. Step 6: Final answer
    x = 55,074.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.