Home / 77,295.42-115,937.55-23,986.04

Finding the Fourth Proportional to 77,295.42, 115,937.55 and 23,986.04

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Solution

The fourth proportional to 77,295.42, 115,937.55 and 23,986.04 is: 35,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,295.42 : 115,937.55 = 23,986.04 : x
  2. Step 2: Convert to fraction form
    77,295.42/115,937.55 = 23,986.04/x
  3. Step 3: Cross multiply
    77,295.42x = 115,937.55 × 23,986.04
  4. Step 4: Simplify right side
    77,295.42x = 2,780,882,132.11
  5. Step 5: Solve for x
    x = 2,780,882,132.11/77,295.42
  6. Step 6: Final answer
    x = 35,977.32

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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.