Home / 77,491.26-116,086.86-45,392.76

Finding the Fourth Proportional to 77,491.26, 116,086.86 and 45,392.76

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Solution

The fourth proportional to 77,491.26, 116,086.86 and 45,392.76 is: 68,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,491.26 : 116,086.86 = 45,392.76 : x
  2. Step 2: Convert to fraction form
    77,491.26/116,086.86 = 45,392.76/x
  3. Step 3: Cross multiply
    77,491.26x = 116,086.86 × 45,392.76
  4. Step 4: Simplify right side
    77,491.26x = 5,269,502,975.13
  5. Step 5: Solve for x
    x = 5,269,502,975.13/77,491.26
  6. Step 6: Final answer
    x = 68,001.26

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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.