Home / 77,931.27-116,888.70-27,329.58

Finding the Fourth Proportional to 77,931.27, 116,888.70 and 27,329.58

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Solution

The fourth proportional to 77,931.27, 116,888.70 and 27,329.58 is: 40,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,931.27 : 116,888.70 = 27,329.58 : x
  2. Step 2: Convert to fraction form
    77,931.27/116,888.70 = 27,329.58/x
  3. Step 3: Cross multiply
    77,931.27x = 116,888.70 × 27,329.58
  4. Step 4: Simplify right side
    77,931.27x = 3,194,519,077.75
  5. Step 5: Solve for x
    x = 3,194,519,077.75/77,931.27
  6. Step 6: Final answer
    x = 40,991.49

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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.